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Added axis= option to corner_profile()

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Revar Desmera 2025-09-22 18:20:25 -07:00
parent 442a115635
commit a6f1ed1a0e
1 changed files with 48 additions and 16 deletions
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@ -2683,6 +2683,7 @@ module edge_profile_asym(
// ---
// r = Radius of corner mask.
// d = Diameter of corner mask.
// axis = Can be set to "X", "Y", or "Z" to specify the axis that the corner mask will be rotated around. Default: "Z"
// convexity = Max number of times a line could intersect the perimeter of the mask shape. Default: 10
// Side Effects:
// Tags the children with "remove" (and hence sets `$tag`) if no tag is already set.
@ -2695,7 +2696,13 @@ module edge_profile_asym(
// corner_profile(TOP,r=10)
// mask2d_teardrop(r=10, angle=40);
// }
module corner_profile(corners=CORNERS_ALL, except=[], r, d, convexity=10) {
// Example: Rotate the mask around the X axis instead.
// diff()
// cuboid([50,60,70],rounding=10,edges="Z",anchor=CENTER) {
// corner_profile(TOP,r=10,axis="X")
// mask2d_teardrop(r=10, angle=40);
// }
module corner_profile(corners=CORNERS_ALL, except=[], r, d, axis="Z", convexity=10) {
check1 = assert($parent_geom != undef, "\nNo object to attach to!");
r = max(0.01, get_radius(r=r, d=d, dflt=undef));
check2 = assert(is_num(r), "\nBad r/d argument.");
@ -2703,35 +2710,60 @@ module corner_profile(corners=CORNERS_ALL, except=[], r, d, convexity=10) {
vecs = [for (i = [0:7]) if (corners[i]>0) CORNER_OFFSETS[i]];
all_vecs_are_corners = all([for (vec = vecs) sum(v_abs(vec))==3]);
check3 = assert(all_vecs_are_corners, "\nAll vectors must be corners.");
module rot_to_axis(axis) {
if (axis == "X")
rot(120, v=[1,1,1]) children();
else if (axis == "Y")
rot(-120, v=[1,1,1]) children();
else
children();
}
module mirror_if(cond,plane) {
if (cond) mirror(plane) children();
else children();
}
module mirror_to_corner(corner) {
mirror_if(corner.x > 0, RIGHT)
mirror_if(corner.y > 0, BACK)
mirror_if(corner.z > 0, UP)
children();
}
module corner_round_mask2d(r) {
excess = 0.01;
path = [
[-excess,-excess],
[-excess, r],
each arc(cp=[r,r], r=r, start=180, angle=90),
[r, -excess]
];
polygon(path);
}
for ($idx = idx(vecs)) {
vec = vecs[$idx];
anch = _find_anchor(vec, $parent_geom);
$attach_to = undef;
$attach_anchor = anch;
$profile_type = "corner";
rotang = vec.z<0?
[ 0,0,180+v_theta(vec)-45] :
[180,0,-90+v_theta(vec)-45];
default_tag("remove"){
default_tag("remove") attachable() {
translate(anch[1]) {
rot(rotang) {
down(0.01) {
linear_extrude(height=r+0.01, center=false) {
difference() {
translate(-[0.01,0.01]) square(r);
translate([r,r]) circle(r=r*0.999);
mirror_to_corner(vec) {
rot_to_axis(axis) {
down(0.01) {
linear_extrude(height=r+0.01, center=false, convexity=convexity) {
corner_round_mask2d(r);
}
}
}
translate([r,r]) zrot(180) {
rotate_extrude(angle=90, convexity=convexity) {
right(r) xflip() {
children();
translate([r,r]) zrot(180) {
rotate_extrude(angle=90, convexity=convexity) {
right(r) xflip() {
children();
}
}
}
}
}
}
union();
}
}
}