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231
ball_bearings.scad Normal file
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@ -0,0 +1,231 @@
//////////////////////////////////////////////////////////////////////
// LibFile: ball_bearings.scad
// Models for standard ball bearing cartridges.
// Includes:
// include <BOSL2/std.scad>
// include <BOSL2/ball_bearings.scad>
// FileGroup: Parts
// FileSummary: Models for standard ball bearing cartridges.
//////////////////////////////////////////////////////////////////////
// Section: Ball Bearing Models
// Module: ball_bearing()
// Description:
// Creates a model of a ball bearing assembly.
// Arguments:
// trade_size = String name of a standard ball bearing trade size. ie: "608", "6902ZZ", or "R8"
// id = Inner diameter of ball bearing assembly.
// od = Outer diameter of ball bearing assembly.
// width = Width of ball bearing assembly.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
// Example:
// ball_bearing("608");
// Example:
// ball_bearing("608ZZ");
// Example:
// ball_bearing("R8");
// Example:
// ball_bearing(id=12,od=32,width=10,shield=false);
module ball_bearing(trade_size, id, od, width, shield=true, anchor=CTR, spin=0, orient=UP) {
info = is_undef(trade_size)? [id, od, width, shield] :
ball_bearing_info(trade_size);
check = assert(all_defined(info), "Bad Input");
id = info[0];
od = info[1];
width = info[2];
shield = info[3];
mid_d = (id+od)/2;
wall = (od-id)/2/3;
color("silver")
attachable(anchor,spin,orient, d=od, l=width) {
if (shield) {
tube(id=id, wall=wall, h=width);
tube(od=od, wall=wall, h=width);
tube(id=id+0.1, od=od-0.1, h=(wall*2+width)/2);
} else {
ball_cnt = floor(PI*mid_d*0.95 / (wall*2));
difference() {
union() {
tube(id=id, wall=wall, h=width);
tube(od=od, wall=wall, h=width);
}
torus(r_maj=mid_d/2, r_min=wall);
}
for (i=[0:1:ball_cnt-1]) {
zrot(i*360/ball_cnt) right(mid_d/2) sphere(d=wall*2);
}
}
children();
}
}
// Section: Ball Bearing Info
// Function: ball_bearing_info()
// Description:
// Get dimensional info for a standard metric ball bearing cartridge.
// Returns `[SHAFT_DIAM, OUTER_DIAM, WIDTH, SHIELDED]` for the cylindrical cartridge.
// Arguments:
// size = Inner diameter of lmXuu bearing, in mm.
function ball_bearing_info(trade_size) =
assert(is_string(trade_size))
let(
IN = 25.4,
data = [
// trade_size, ID, OD, width, shielded
[ "R2", 1/8*IN, 3/8*IN, 5/32*IN, false],
[ "R3", 3/16*IN, 1/2*IN, 5/32*IN, false],
[ "R4", 1/4*IN, 5/8*IN, 0.196*IN, false],
[ "R6", 3/8*IN, 7/8*IN, 7/32*IN, false],
[ "R8", 1/2*IN, 9/8*IN, 1/4*IN, false],
[ "R10", 5/8*IN, 11/8*IN, 9/32*IN, false],
[ "R12", 3/4*IN, 13/8*IN, 5/16*IN, false],
[ "R14", 7/8*IN, 15/8*IN, 3/8*IN, false],
[ "R16", 8/8*IN, 16/8*IN, 3/8*IN, false],
[ "R18", 9/8*IN, 17/8*IN, 3/8*IN, false],
[ "R20", 10/8*IN, 18/8*IN, 3/8*IN, false],
[ "R22", 11/8*IN, 20/8*IN, 7/16*IN, false],
[ "R24", 12/8*IN, 21/8*IN, 7/16*IN, false],
[ "R2ZZ", 1/8*IN, 3/8*IN, 5/32*IN, true ],
[ "R3ZZ", 3/16*IN, 1/2*IN, 5/32*IN, true ],
[ "R4ZZ", 1/4*IN, 5/8*IN, 0.196*IN, true ],
[ "R6ZZ", 3/8*IN, 7/8*IN, 7/32*IN, true ],
[ "R8ZZ", 1/2*IN, 9/8*IN, 1/4*IN, true ],
[ "R10ZZ", 5/8*IN, 11/8*IN, 9/32*IN, true ],
[ "R12ZZ", 3/4*IN, 13/8*IN, 5/16*IN, true ],
[ "R14ZZ", 7/8*IN, 15/8*IN, 3/8*IN, true ],
[ "R16ZZ", 8/8*IN, 16/8*IN, 3/8*IN, true ],
[ "R18ZZ", 9/8*IN, 17/8*IN, 3/8*IN, true ],
[ "R20ZZ", 10/8*IN, 18/8*IN, 3/8*IN, true ],
[ "R22ZZ", 11/8*IN, 20/8*IN, 7/16*IN, true ],
[ "R24ZZ", 12/8*IN, 21/8*IN, 7/16*IN, true ],
[ "608", 8, 22, 7, false],
[ "629", 9, 26, 8, false],
[ "635", 5, 19, 6, false],
[ "6000", 10, 26, 8, false],
[ "6001", 12, 28, 8, false],
[ "6002", 15, 32, 9, false],
[ "6003", 17, 35, 10, false],
[ "6007", 35, 62, 14, false],
[ "6200", 10, 30, 9, false],
[ "6201", 12, 32, 10, false],
[ "6202", 15, 35, 11, false],
[ "6203", 17, 40, 12, false],
[ "6204", 20, 47, 14, false],
[ "6205", 25, 52, 15, false],
[ "6206", 30, 62, 16, false],
[ "6207", 35, 72, 17, false],
[ "6208", 40, 80, 18, false],
[ "6209", 45, 85, 19, false],
[ "6210", 50, 90, 20, false],
[ "6211", 55, 100, 21, false],
[ "6212", 60, 110, 22, false],
[ "6301", 12, 37, 12, false],
[ "6302", 15, 42, 13, false],
[ "6303", 17, 47, 14, false],
[ "6304", 20, 52, 15, false],
[ "6305", 25, 62, 17, false],
[ "6306", 30, 72, 19, false],
[ "6307", 35, 80, 21, false],
[ "6308", 40, 90, 23, false],
[ "6309", 45, 100, 25, false],
[ "6310", 50, 110, 27, false],
[ "6311", 55, 120, 29, false],
[ "6312", 60, 130, 31, false],
[ "6403", 17, 62, 17, false],
[ "6800", 10, 19, 5, false],
[ "6801", 12, 21, 5, false],
[ "6802", 15, 24, 5, false],
[ "6803", 17, 26, 5, false],
[ "6804", 20, 32, 7, false],
[ "6805", 25, 37, 7, false],
[ "6806", 30, 42, 7, false],
[ "6900", 10, 22, 6, false],
[ "6901", 12, 24, 6, false],
[ "6902", 15, 28, 7, false],
[ "6903", 17, 30, 7, false],
[ "6904", 20, 37, 9, false],
[ "6905", 25, 42, 9, false],
[ "6906", 30, 47, 9, false],
[ "6907", 35, 55, 10, false],
[ "6908", 40, 62, 12, false],
[ "16002", 15, 22, 8, false],
[ "16004", 20, 42, 8, false],
[ "16005", 25, 47, 8, false],
[ "16100", 10, 28, 8, false],
[ "16101", 12, 30, 8, false],
[ "608ZZ", 8, 22, 7, true ],
[ "629ZZ", 9, 26, 8, true ],
[ "635ZZ", 5, 19, 6, true ],
[ "6000ZZ", 10, 26, 8, true ],
[ "6001ZZ", 12, 28, 8, true ],
[ "6002ZZ", 15, 32, 9, true ],
[ "6003ZZ", 17, 35, 10, true ],
[ "6007ZZ", 35, 62, 14, true ],
[ "6200ZZ", 10, 30, 9, true ],
[ "6201ZZ", 12, 32, 10, true ],
[ "6202ZZ", 15, 35, 11, true ],
[ "6203ZZ", 17, 40, 12, true ],
[ "6204ZZ", 20, 47, 14, true ],
[ "6205ZZ", 25, 52, 15, true ],
[ "6206ZZ", 30, 62, 16, true ],
[ "6207ZZ", 35, 72, 17, true ],
[ "6208ZZ", 40, 80, 18, true ],
[ "6209ZZ", 45, 85, 19, true ],
[ "6210ZZ", 50, 90, 20, true ],
[ "6211ZZ", 55, 100, 21, true ],
[ "6212ZZ", 60, 110, 22, true ],
[ "6301ZZ", 12, 37, 12, true ],
[ "6302ZZ", 15, 42, 13, true ],
[ "6303ZZ", 17, 47, 14, true ],
[ "6304ZZ", 20, 52, 15, true ],
[ "6305ZZ", 25, 62, 17, true ],
[ "6306ZZ", 30, 72, 19, true ],
[ "6307ZZ", 35, 80, 21, true ],
[ "6308ZZ", 40, 90, 23, true ],
[ "6309ZZ", 45, 100, 25, true ],
[ "6310ZZ", 50, 110, 27, true ],
[ "6311ZZ", 55, 120, 29, true ],
[ "6312ZZ", 60, 130, 31, true ],
[ "6403ZZ", 17, 62, 17, true ],
[ "6800ZZ", 10, 19, 5, true ],
[ "6801ZZ", 12, 21, 5, true ],
[ "6802ZZ", 15, 24, 5, true ],
[ "6803ZZ", 17, 26, 5, true ],
[ "6804ZZ", 20, 32, 7, true ],
[ "6805ZZ", 25, 37, 7, true ],
[ "6806ZZ", 30, 42, 7, true ],
[ "6900ZZ", 10, 22, 6, true ],
[ "6901ZZ", 12, 24, 6, true ],
[ "6902ZZ", 15, 28, 7, true ],
[ "6903ZZ", 17, 30, 7, true ],
[ "6904ZZ", 20, 37, 9, true ],
[ "6905ZZ", 25, 42, 9, true ],
[ "6906ZZ", 30, 47, 9, true ],
[ "6907ZZ", 35, 55, 10, true ],
[ "6908ZZ", 40, 62, 12, true ],
[ "16002ZZ", 15, 22, 8, true ],
[ "16004ZZ", 20, 42, 8, true ],
[ "16005ZZ", 25, 47, 8, true ],
[ "16100ZZ", 10, 28, 8, true ],
[ "16101ZZ", 12, 30, 8, true ],
],
found = search([trade_size], data, 1)[0]
)
assert(found!=[], str("Unsupported ball bearing trade size: ", trade_size))
select(data[found], 1, -1);
// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

142
linear_bearings.scad
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@ -1,6 +1,6 @@
//////////////////////////////////////////////////////////////////////
// LibFile: linear_bearings.scad
// Mounts for LMxUU style linear bearings.
// Mounts and models for LMxUU style linear bearings.
// Includes:
// include <BOSL2/std.scad>
// include <BOSL2/linear_bearings.scad>
@ -12,58 +12,7 @@
include <metric_screws.scad>
// Section: Functions
// Function: get_lmXuu_bearing_diam()
// Description: Get outside diameter, in mm, of a standard lmXuu bearing.
// Arguments:
// size = Inner size of lmXuu bearing, in mm.
function get_lmXuu_bearing_diam(size) = lookup(size, [
[ 4.0, 8.0],
[ 5.0, 10.0],
[ 6.0, 12.0],
[ 8.0, 15.0],
[ 10.0, 19.0],
[ 12.0, 21.0],
[ 13.0, 23.0],
[ 16.0, 28.0],
[ 20.0, 32.0],
[ 25.0, 40.0],
[ 30.0, 45.0],
[ 35.0, 52.0],
[ 40.0, 60.0],
[ 50.0, 80.0],
[ 60.0, 90.0],
[ 80.0, 120.0],
[100.0, 150.0]
]);
// Function: get_lmXuu_bearing_length()
// Description: Get length, in mm, of a standard lmXuu bearing.
// Arguments:
// size = Inner size of lmXuu bearing, in mm.
function get_lmXuu_bearing_length(size) = lookup(size, [
[ 4.0, 12.0],
[ 5.0, 15.0],
[ 6.0, 19.0],
[ 8.0, 24.0],
[ 10.0, 29.0],
[ 12.0, 30.0],
[ 13.0, 32.0],
[ 16.0, 37.0],
[ 20.0, 42.0],
[ 25.0, 59.0],
[ 30.0, 64.0],
[ 35.0, 70.0],
[ 40.0, 80.0],
[ 50.0, 100.0],
[ 60.0, 110.0],
[ 80.0, 140.0],
[100.0, 175.0]
]);
// Section: Generic Linear Bearings
// Module: linear_bearing_housing()
// Description:
@ -125,6 +74,34 @@ module linear_bearing_housing(d=15, l=24, tab=7, gap=5, wall=3, tabwall=5, screw
}
// Module: linear_bearing()
// Description:
// Creates a rough model of a generic linear ball bearing cartridge.
// Arguments:
// l/length = The length of the linear bearing cartridge.
// od = The outer diameter of the linear bearing cartridge.
// id = The inner diameter of the linear bearing cartridge.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
// Example:
// linear_bearing(l=24, od=15, id=8);
module linear_bearing(l, od=15, id=8, length, anchor=CTR, spin=0, orient=UP) {
l = first_defined([l, length, 24]);
attachable(anchor,spin,orient, d=od, l=l) {
color("silver") {
tube(id=id, od=od, l=l-1);
tube(id=od-1, od=od, l=l);
tube(id=id, od=id+1, l=l);
tube(id=id+2, od=od-2, l=l);
}
children();
}
}
// Section: lmXuu Linear Bearings
// Module: lmXuu_housing()
// Description:
// Creates a model of a clamp to hold a standard sized lmXuu linear bearing cartridge.
@ -142,10 +119,65 @@ module linear_bearing_housing(d=15, l=24, tab=7, gap=5, wall=3, tabwall=5, screw
// lmXuu_housing(size=10, wall=2, tab=6, screwsize=2.5);
module lmXuu_housing(size=8, tab=7, gap=5, wall=3, tabwall=5, screwsize=3, anchor=BOTTOM, spin=0, orient=UP)
{
d = get_lmXuu_bearing_diam(size);
l = get_lmXuu_bearing_length(size);
info = lmXuu_info(size);
d = info[0];
l = info[1];
linear_bearing_housing(d=d, l=l, tab=tab, gap=gap, wall=wall, tabwall=tabwall, screwsize=screwsize, orient=orient, spin=spin, anchor=anchor) children();
}
// Module: lmXuu_bearing()
// Description:
// Creates a model of an lmXuu linear ball bearing cartridge.
// Arguments:
// size = Standard lmXuu inner size.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
// Example:
// lmXuu_bearing(size=10);
module lmXuu_bearing(size=8, anchor=CTR, spin=0, orient=UP) {
info = lmXuu_info(size);
linear_bearing(l=info[1], id=size, od=info[0], anchor=anchor, spin=spin, orient=orient) children();
}
// Section: lmXuu Linear Bearing Info
// Function: lmXuu_info()
// Description:
// Get dimensional info for a standard metric lmXuu linear bearing cartridge.
// Returns `[DIAM, LENGTH]` for the cylindrical cartridge.
// Arguments:
// size = Inner diameter of lmXuu bearing, in mm.
function lmXuu_info(size) =
let(
data = [
// size, diam, length
[ 4, 8, 12],
[ 5, 10, 15],
[ 6, 12, 19],
[ 8, 15, 24],
[ 10, 19, 29],
[ 12, 21, 30],
[ 13, 23, 32],
[ 16, 28, 37],
[ 20, 32, 42],
[ 25, 40, 59],
[ 30, 45, 64],
[ 35, 52, 70],
[ 40, 60, 80],
[ 50, 80, 100],
[ 60, 90, 110],
[ 80, 120, 140],
[100, 150, 175],
],
found = search([size], data, 1)[0]
)
assert(found!=[], str("Unsupported lmXuu linear bearing size: ", size))
select(data[found], 1, -1);
// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

96
masks2d.scad
View file

@ -23,7 +23,8 @@
// See Also: corner_profile(), edge_profile(), face_profile()
// Description:
// Creates a 2D roundover/bead mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior fillet between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
// Arguments:
// r = Radius of the roundover.
@ -38,10 +39,18 @@
// Example(2D): 2D Bead Mask
// mask2d_roundover(r=10,inset=2);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile([TOP,"Z"],except=[BACK,TOP+LEFT])
// mask2d_roundover(r=10, inset=2);
// Example: Making an interior fillet
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_roundover(r=10);
module mask2d_roundover(r, inset=0, excess=0.01, d, anchor=CENTER,spin=0) {
path = mask2d_roundover(r=r,d=d,excess=excess,inset=inset);
attachable(anchor,spin, two_d=true, path=path) {
@ -77,7 +86,8 @@ function mask2d_roundover(r, inset=0, excess=0.01, d, anchor=CENTER,spin=0) =
// See Also: corner_profile(), edge_profile(), face_profile()
// Description:
// Creates a 2D cove mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior rounded shelf decoration between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
// Arguments:
// r = Radius of the cove.
@ -92,10 +102,18 @@ function mask2d_roundover(r, inset=0, excess=0.01, d, anchor=CENTER,spin=0) =
// Example(2D): 2D Inset Cove Mask
// mask2d_cove(r=10,inset=3);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile([TOP,"Z"],except=[BACK,TOP+LEFT])
// mask2d_cove(r=10, inset=2);
// Example: Making an interior rounded shelf
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_cove(r=5, inset=5);
module mask2d_cove(r, inset=0, excess=0.01, d, anchor=CENTER,spin=0) {
path = mask2d_cove(r=r,d=d,excess=excess,inset=inset);
attachable(anchor,spin, two_d=true, path=path) {
@ -135,7 +153,8 @@ function mask2d_cove(r, inset=0, excess=0.01, d, anchor=CENTER,spin=0) =
// See Also: corner_profile(), edge_profile(), face_profile()
// Description:
// Creates a 2D chamfer mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior chamfer between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
// The edge parameter specifies the length of the chamfer's slanted edge. Alternatively you can give x or y to
// specify the width or height. Only one of x, y, or width is permitted.
@ -158,10 +177,18 @@ function mask2d_cove(r, inset=0, excess=0.01, d, anchor=CENTER,spin=0) =
// Example(2D): 2D Inset Chamfer Mask
// mask2d_chamfer(x=10, inset=2);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile([TOP,"Z"],except=[BACK,TOP+LEFT])
// mask2d_chamfer(x=10, inset=2);
// Example: Making an interior chamfer
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_chamfer(edge=10);
module mask2d_chamfer(edge, angle=45, inset=0, excess=0.01, x, y, anchor=CENTER,spin=0) {
path = mask2d_chamfer(x=x, y=y, edge=edge, angle=angle, excess=excess, inset=inset);
attachable(anchor,spin, two_d=true, path=path, extent=true) {
@ -200,7 +227,8 @@ function mask2d_chamfer(edge, angle=45, inset=0, excess=0.01, x, y, anchor=CENTE
// See Also: corner_profile(), edge_profile(), face_profile()
// Description:
// Creates a 2D rabbet mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior shelf decoration between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
// Arguments:
// size = The size of the rabbet, either as a scalar or an [X,Y] list.
@ -213,10 +241,18 @@ function mask2d_chamfer(edge, angle=45, inset=0, excess=0.01, x, y, anchor=CENTE
// Example(2D): 2D Asymmetrical Rabbet Mask
// mask2d_rabbet(size=[5,10]);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile([TOP,"Z"],except=[BACK,TOP+LEFT])
// mask2d_rabbet(size=10);
// Example: Making an interior shelf
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_rabbet(size=[5,10]);
module mask2d_rabbet(size, excess=0.01, anchor=CENTER,spin=0) {
path = mask2d_rabbet(size=size, excess=excess);
attachable(anchor,spin, two_d=true, path=path, extent=false) {
@ -250,7 +286,8 @@ function mask2d_rabbet(size, excess=0.01, anchor=CENTER,spin=0) =
// See Also: corner_profile(), edge_profile(), face_profile()
// Description:
// Creates a 2D dovetail mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior dovetail between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
// Arguments:
// edge = The length of the edge of the dovetail.
@ -272,10 +309,18 @@ function mask2d_rabbet(size, excess=0.01, anchor=CENTER,spin=0) =
// Example(2D): 2D Inset Dovetail Mask
// mask2d_dovetail(x=10, inset=2);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile([TOP,"Z"],except=[BACK,TOP+LEFT])
// mask2d_dovetail(x=10, inset=2);
// Example: Making an interior dovetail
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_dovetail(x=10);
module mask2d_dovetail(edge, angle=30, inset=0, shelf=0, excess=0.01, x, y, anchor=CENTER, spin=0) {
path = mask2d_dovetail(x=x, y=y, edge=edge, angle=angle, inset=inset, shelf=shelf, excess=excess);
attachable(anchor,spin, two_d=true, path=path) {
@ -316,7 +361,8 @@ function mask2d_dovetail(edge, angle=30, inset=0, shelf=0, excess=0.01, x, y, an
// See Also: corner_profile(), edge_profile(), face_profile()
// Description:
// Creates a 2D teardrop mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior teardrop fillet between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
// This is particularly useful to make partially rounded bottoms, that don't need support to print.
// Arguments:
@ -332,10 +378,18 @@ function mask2d_dovetail(edge, angle=30, inset=0, shelf=0, excess=0.01, x, y, an
// Example(2D): Using a Custom Angle
// mask2d_teardrop(r=10,angle=30);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile(BOT)
// mask2d_teardrop(r=10, angle=40);
// Example: Making an interior teardrop fillet
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_teardrop(r=10);
function mask2d_teardrop(r, angle=45, excess=0.01, d, anchor=CENTER, spin=0) =
assert(is_finite(angle))
assert(angle>0 && angle<90)
@ -371,7 +425,8 @@ module mask2d_teardrop(r, angle=45, excess=0.01, d, anchor=CENTER, spin=0) {
//
// Description:
// Creates a 2D Ogee mask shape that is useful for extruding into a 3D mask for a 90° edge.
// This 2D mask is designed to be `difference()`d away from the edge of a shape that is in the first (X+Y+) quadrant.
// Conversely, you can use that same extruded shape to make an interior ogee decoration between two walls at a 90º angle.
// As a 2D mask, this is designed to be differenced away from the edge of a shape that is in the first (X+Y+) quadrant.
// Since there are a number of shapes that fall under the name ogee, the shape of this mask is given as a pattern.
// Patterns are given as TYPE, VALUE pairs. ie: `["fillet",10, "xstep",2, "step",[5,5], ...]`. See Patterns below.
// If called as a function, this just returns a 2D path of the outline of the mask shape.
@ -400,7 +455,7 @@ module mask2d_teardrop(r, angle=45, excess=0.01, d, anchor=CENTER, spin=0) {
// "ystep",1, "xstep",1 // Ending shoulder.
// ]);
// Example: Masking by Edge Attachment
// diff("mask")
// diff()
// cube([50,60,70],center=true)
// edge_profile(TOP)
// mask2d_ogee([
@ -408,6 +463,18 @@ module mask2d_teardrop(r, angle=45, excess=0.01, d, anchor=CENTER, spin=0) {
// "fillet",5, "round",5, // S-curve.
// "ystep",1, "xstep",1 // Ending shoulder.
// ]);
// Example: Making an interior ogee
// %render() difference() {
// move(-[5,0,5]) cube(30, anchor=BOT+LEFT);
// cube(310, anchor=BOT+LEFT);
// }
// xrot(90)
// linear_extrude(height=30, center=true)
// mask2d_ogee([
// "xstep", 1, "round",5,
// "ystep",1, "fillet",5,
// "xstep", 1, "ystep", 1,
// ]);
module mask2d_ogee(pattern, excess=0.01, anchor=CENTER,spin=0) {
path = mask2d_ogee(pattern, excess=excess);
attachable(anchor,spin, two_d=true, path=path) {
@ -485,3 +552,4 @@ function mask2d_ogee(pattern, excess=0.01, anchor=CENTER, spin=0) =
// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap

52
masks3d.scad
View file

@ -385,6 +385,9 @@ module rounding_angled_corner_mask(r, ang=90, d, anchor=CENTER, spin=0, orient=U
// rounding = Radius of the edge rounding.
// ---
// d = Diameter of cylinder.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
// Example:
// difference() {
// cylinder(r=50, h=50, center=false);
@ -402,14 +405,16 @@ module rounding_angled_corner_mask(r, ang=90, d, anchor=CENTER, spin=0, orient=U
// #tag("remove")
// rounding_cylinder_mask(d=30, rounding=5);
// }
function rounding_cylinder_mask(r, rounding, d) = no_function("rounding_cylinder_mask");
module rounding_cylinder_mask(r, rounding, d)
function rounding_cylinder_mask(r, rounding, d, anchor, spin, orient) = no_function("rounding_cylinder_mask");
module rounding_cylinder_mask(r, rounding, d, anchor=CENTER, spin=0, orient=UP)
{
no_children($children);
r = get_radius(r=r, d=d, dflt=1);
difference() {
cyl(r=r+rounding, l=rounding*2, anchor=CENTER);
cyl(r=r, l=rounding*3, rounding=rounding, anchor=TOP);
attachable(anchor,spin,orient, r=r+rounding, l=rounding*2) {
difference() {
cyl(r=r+rounding, l=rounding*2, anchor=CENTER);
cyl(r=r, l=rounding*3, rounding=rounding, anchor=TOP);
}
children();
}
}
@ -428,6 +433,7 @@ module rounding_cylinder_mask(r, rounding, d)
// d = Diameter of hole to rounding.
// rounding = Radius of the rounding.
// excess = The extra thickness of the mask. Default: `0.1`.
// ---
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
@ -473,6 +479,10 @@ module rounding_hole_mask(r, rounding, excess=0.1, d, anchor=CENTER, spin=0, ori
// d = Diameter of the mask rounding.
// angle = Maximum angle from vertical. Default: 45
// excess = Excess mask size. Default: 0.1
// ---
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
// Example(VPD=50,VPR=[55,0,120]):
// teardrop_edge_mask(l=20, r=10, angle=40);
// Example(VPD=300,VPR=[75,0,25]):
@ -483,19 +493,16 @@ module rounding_hole_mask(r, rounding, excess=0.1, d, anchor=CENTER, spin=0, ori
// corner_mask(BOT)
// teardrop_corner_mask(r=10, angle=40);
// }
function teardrop_edge_mask(l, r, angle, excess=0.1, d) = no_function("teardrop_edge_mask");
module teardrop_edge_mask(l, r, angle, excess=0.1, d)
function teardrop_edge_mask(l, r, angle, excess=0.1, d, anchor, spin, orient) = no_function("teardrop_edge_mask");
module teardrop_edge_mask(l, r, angle, excess=0.1, d, anchor=CTR, spin=0, orient=UP)
{
no_children($children);
assert(is_num(l));
assert(is_num(angle));
assert(is_num(excess));
assert(angle>0 && angle<90);
r = get_radius(r=r, d=d, dflt=1);
difference() {
translate(-[1,1,0]*excess) cube([r+excess,r+excess,l], anchor=FWD+LEFT);
translate([r,r,0]) teardrop(r=r, l=l+1, cap_h=r, ang=angle, orient=FWD);
}
path = mask2d_teardrop(r=r, angle=angle, excess=excess);
linear_sweep(path, height=l, center=true, atype="bbox", anchor=anchor, spin=spin, orient=orient) children();
}
@ -510,6 +517,9 @@ module teardrop_edge_mask(l, r, angle, excess=0.1, d)
// excess = Excess mask size. Default: 0.1
// ---
// d = Diameter of the mask rounding.
// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
// Example:
// teardrop_corner_mask(r=20, angle=40);
// Example:
@ -520,17 +530,21 @@ module teardrop_edge_mask(l, r, angle, excess=0.1, d)
// corner_mask(BOT)
// teardrop_corner_mask(r=10, angle=40);
// }
function teardrop_corner_mask(r, angle, excess=0.1, d) = no_function("teardrop_corner_mask");
module teardrop_corner_mask(r, angle, excess=0.1, d)
function teardrop_corner_mask(r, angle, excess=0.1, d, anchor, spin, orient) = no_function("teardrop_corner_mask");
module teardrop_corner_mask(r, angle, excess=0.1, d, anchor=CTR, spin=0, orient=UP)
{
no_children($children);
assert(is_num(angle));
assert(is_num(excess));
assert(angle>0 && angle<90);
r = get_radius(r=r, d=d, dflt=1);
difference() {
translate(-[1,1,1]*excess) cube(r+excess, center=false);
translate([1,1,1]*r) onion(r=r, ang=angle, orient=DOWN);
size = (r+excess) * [1,1,1];
midpt = (r-excess)/2 * [1,1,1];
attachable(anchor,spin,orient, size=size, offset=midpt) {
difference() {
translate(-[1,1,1]*excess) cube(r+excess, center=false);
translate([1,1,1]*r) onion(r=r, ang=angle, orient=DOWN);
}
children();
}
}

11
shapes3d.scad
View file

@ -1155,10 +1155,15 @@ function cylinder(h, r1, r2, center, l, r, d, d1, d2, anchor, spin=0, orient=UP)
// cyl(l|h, r|d, rounding2=, ...);
// cyl(l|h, r|d, rounding1=, rounding2=, ...);
//
// Usage: Textured Cylinders
// cyl(l|h, r|d, texture=, [tex_size=]|[tex_counts=], [tex_scale=], [tex_rot=], [tex_samples=], [tex_style=], [tex_taper=], [tex_inset=], ...);
// cyl(l|h, r1=, r2=, texture=, [tex_size=]|[tex_counts=], [tex_scale=], [tex_rot=], [tex_samples=], [tex_style=], [tex_taper=], [tex_inset=], ...);
// cyl(l|h, d1=, d2=, texture=, [tex_size=]|[tex_counts=], [tex_scale=], [tex_rot=], [tex_samples=], [tex_style=], [tex_taper=], [tex_inset=], ...);
//
// Topics: Cylinders, Textures, Rounding, Chamfers
//
// Description:
// Creates cylinders in various anchorings and orientations, with optional rounding and chamfers.
// Creates cylinders in various anchorings and orientations, with optional rounding, chamfers, or textures.
// You can use `h` and `l` interchangably, and all variants allow specifying size by either `r`|`d`,
// or `r1`|`d1` and `r2`|`d2`. Note: the chamfers and rounding cannot be cumulatively longer than
// the cylinder's length.
@ -1522,7 +1527,8 @@ module cyl(
[0,l/2]
];
rotate_extrude(convexity=2) polygon(path);
vnf = rotate_sweep(path);
vnf_polyhedron(vnf, convexity=2);
}
}
children();
@ -2968,6 +2974,7 @@ module path_text(path, text, font, size, thickness, lettersize, offset=0, revers
pts = path_cut_points(path, add_scalar([0, each cumsum(lsize)],start+lsize[0]/2), direction=true);
usernorm = is_def(normal);
usetop = is_def(top);

37
skin.scad
View file

@ -508,6 +508,8 @@ function skin(profiles, slices, refine=1, method="direct", sampling, caps, close
// Function&Module: linear_sweep()
// Usage:
// linear_sweep(region, [height], [center=], [slices=], [twist=], [scale=], [style=], [convexity=]) [ATTACHMENTS];
// Usage: With Texturing
// linear_sweep(region, [height], [center=], texture=, [tex_size=]|[tex_counts=], [tex_scale=], [style=], [tex_samples=], ...) [ATTACHMENTS];
// Description:
// If called as a module, creates a polyhedron that is the linear extrusion of the given 2D region or polygon.
// If called as a function, returns a VNF that can be used to generate a polyhedron of the linear extrusion
@ -541,6 +543,7 @@ function skin(profiles, slices, refine=1, method="direct", sampling, caps, close
// Anchor Types:
// "hull" = Anchors to the virtual convex hull of the shape.
// "intersect" = Anchors to the surface of the shape.
// "bbox" = Anchors to the bounding box of the extruded shape.
// Extra Anchors:
// "origin" = Centers the extruded shape vertically only, but keeps the original path positions in the X and Y. Oriented UP.
// "original_base" = Keeps the original path positions in the X and Y, but at the bottom of the extrusion. Oriented UP.
@ -662,9 +665,16 @@ module linear_sweep(
named_anchor("original_base", [0,0,-h/2], UP)
];
cp = default(cp, "centroid");
geom = atype=="hull"? attach_geom(cp=cp, region=region, h=h, extent=true, shift=shift, scale=scale, twist=twist, anchors=anchors) :
atype=="intersect"? attach_geom(cp=cp, region=region, h=h, extent=false, shift=shift, scale=scale, twist=twist, anchors=anchors) :
assert(in_list(atype, _ANCHOR_TYPES), "Anchor type must be \"hull\" or \"intersect\"");
geom = atype=="hull"? attach_geom(cp=cp, region=region, h=h, extent=true, shift=shift, scale=scale, twist=twist, anchors=anchors) :
atype=="intersect"? attach_geom(cp=cp, region=region, h=h, extent=false, shift=shift, scale=scale, twist=twist, anchors=anchors) :
atype=="bbox"?
let(
bounds = pointlist_bounds(flatten(region)),
size = bounds[1] - bounds[0],
midpt = (bounds[0] + bounds[1])/2
)
attach_geom(cp=[0,0,0], size=point3d(size,h), offset=point3d(midpt), shift=shift, scale=scale, twist=twist, anchors=anchors) :
assert(in_list(atype, ["hull","intersect","bbox"]), "Anchor type must be \"hull\", \"intersect\", or \"bbox\".");
attachable(anchor,spin,orient, geom=geom) {
vnf_polyhedron(vnf, convexity=convexity);
children();
@ -744,20 +754,29 @@ function linear_sweep(
named_anchor("original_base", [0,0,-h/2], UP)
],
cp = default(cp, "centroid"),
geom = atype=="hull"? attach_geom(cp=cp, region=region, h=h, extent=true, shift=shift, scale=scale, twist=twist, anchors=anchors) :
atype=="intersect"? attach_geom(cp=cp, region=region, h=h, extent=false, shift=shift, scale=scale, twist=twist, anchors=anchors) :
assert(in_list(atype, _ANCHOR_TYPES), "Anchor type must be \"hull\" or \"intersect\"")
geom = atype=="hull"? attach_geom(cp=cp, region=region, h=h, extent=true, shift=shift, scale=scale, twist=twist, anchors=anchors) :
atype=="intersect"? attach_geom(cp=cp, region=region, h=h, extent=false, shift=shift, scale=scale, twist=twist, anchors=anchors) :
atype=="bbox"?
let(
bounds = pointlist_bounds(flatten(region)),
size = bounds[1] - bounds[0],
midpt = (bounds[0] + bounds[1])/2
)
attach_geom(cp=[0,0,0], size=point3d(size,h), offset=point3d(midpt), shift=shift, scale=scale, twist=twist, anchors=anchors) :
assert(in_list(atype, ["hull","intersect","bbox"]), "Anchor type must be \"hull\", \"intersect\", or \"bbox\".")
) reorient(anchor,spin,orient, geom=geom, p=vnf);
// Function&Module: rotate_sweep()
// Usage: As Function
// vnf = rotate_sweep(shape, angle, ...);
// vnf = rotate_sweep(shape, [angle], ...);
// Usage: As Module
// rotate_sweep(shape, angle, ...) [ATTACHMENTS];
// rotate_sweep(shape, [angle], ...) [ATTACHMENTS];
// Usage: With Texturing
// rotate_sweep(shape, texture=, [tex_size=]|[tex_counts=], [tex_scale=], [tex_samples=], [tex_rot=], [tex_inset=], ...) [ATTACHMENTS];
// Topics: Extrusion, Sweep, Revolution
// Description:
// Takes a polygon or [region](regions.scad) and sweeps it in a rotation around the Z axis.
// Takes a polygon or [region](regions.scad) and sweeps it in a rotation around the Z axis, with optional texturing.
// When called as a function, returns a [VNF](vnf.scad).
// When called as a module, creates the sweep as geometry.
// Arguments:

30
tests/test_linear_bearings.scad
View file

@ -2,27 +2,15 @@ include <../std.scad>
include <../linear_bearings.scad>
module test_get_lmXuu_bearing_diam() {
assert_equal(get_lmXuu_bearing_diam(4), 8);
assert_equal(get_lmXuu_bearing_diam(8), 15);
assert_equal(get_lmXuu_bearing_diam(10), 19);
assert_equal(get_lmXuu_bearing_diam(25), 40);
assert_equal(get_lmXuu_bearing_diam(50), 80);
assert_equal(get_lmXuu_bearing_diam(100), 150);
module test_lmXuu_info() {
assert_equal(lmXuu_info(4), [8, 12]);
assert_equal(lmXuu_info(8), [15, 24]);
assert_equal(lmXuu_info(10), [19, 29]);
assert_equal(lmXuu_info(25), [40, 59]);
assert_equal(lmXuu_info(50), [80, 100]);
assert_equal(lmXuu_info(100), [150, 175]);
}
test_get_lmXuu_bearing_diam();
test_lmXuu_info();
module test_get_lmXuu_bearing_length() {
assert_equal(get_lmXuu_bearing_length(4), 12);
assert_equal(get_lmXuu_bearing_length(8), 24);
assert_equal(get_lmXuu_bearing_length(10), 29);
assert_equal(get_lmXuu_bearing_length(25), 59);
assert_equal(get_lmXuu_bearing_length(50), 100);
assert_equal(get_lmXuu_bearing_length(100), 175);
}
test_get_lmXuu_bearing_length();
// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
// vim: expandtab shiftwidth=4 softtabstop=4 nowrap