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https://github.com/BelfrySCAD/BOSL2.git
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fix offset_stroke anchor bug; doc tweaks for Extra Anchors
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5d667f105f
commit
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7 changed files with 87 additions and 66 deletions
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@ -3571,7 +3571,7 @@ function _force_anchor_2d(anchor) =
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/// geom = The geometry description of the shape.
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function _find_anchor(anchor, geom) =
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is_string(anchor)? (
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anchor=="origin"? [anchor, CENTER, UP, 0]
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anchor=="origin"? [anchor, CENTER, UP, 0] // Ok that this returns 3d anchor in the 2d case?
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: let(
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anchors = last(geom),
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found = search([anchor], anchors, num_returns_per_match=1)[0]
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@ -314,6 +314,8 @@ function force_region(poly) = is_path(poly) ? [poly] : poly;
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// spin = Rotate this many degrees after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
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// cp = Centerpoint for determining intersection anchors or centering the shape. Determintes the base of the anchor vector. Can be "centroid", "mean", "box" or a 2D point. Default: "centroid"
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// atype = Set to "hull" or "intersect" to select anchor type. Default: "hull"
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// Extra Anchors:
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// "origin" = The native position of the region.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the region.
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// "intersect" = Anchors to the outer edge of the region.
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@ -951,6 +951,11 @@ function _path_join(paths,joint,k=0.5,i=0,result=[],relocate=true,closed=false)
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// spin = Rotate this many degrees after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
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// cp = Centerpoint for determining intersection anchors or centering the shape. Determintes the base of the anchor vector. Can be "centroid", "mean", "box" or a 2D point. Default: "centroid"
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// atype = Set to "hull" or "intersect" to select anchor type. Default: "hull"
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// Extra Anchors:
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// "origin" = The native position of the region.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the region.
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// "intersect" = Anchors to the outer edge of the region.
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// Example(2D): Basic examples illustrating flat, round, and pointed ends, on a finely sampled arc and a path made from 3 segments.
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// arc = arc(points=[[1,1],[3,4],[6,3]],n=50);
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// path = [[0,0],[6,2],[9,7],[8,10]];
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@ -1047,7 +1052,7 @@ function _path_join(paths,joint,k=0.5,i=0,result=[],relocate=true,closed=false)
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// right(12)
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// offset_stroke(path, width=1, closed=true);
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function offset_stroke(path, width=1, rounded=true, start, end, check_valid=true, quality=1, chamfer=false, closed=false,
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atype="hull", anchor, spin, cp="centroid") =
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atype="hull", anchor="origin", spin, cp="centroid") =
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let(path = force_path(path))
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assert(is_path(path,2),"path is not a 2d path")
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let(
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@ -2082,6 +2087,11 @@ function _rp_compute_patches(top, bot, rtop, rsides, ktop, ksides, concave) =
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// orient = Vector to rotate top towards after spin (module only)
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// atype = Select "hull" or "intersect" anchor types. (module only) Default: "hull"
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// cp = Centerpoint for determining "intersect" anchors or centering the shape. Determintes the base of the anchor vector. Can be "centroid", "mean", "box" or a 3D point. (module only) Default: "centroid"
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// Extra Anchors:
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// "origin" = The native position of the prism.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the prism.
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// "intersect" = Anchors to the surface of the prism.
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// Example: Uniformly rounded pentagonal prism
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// rounded_prism(pentagon(3), height=3,
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// joint_top=0.5, joint_bot=0.5, joint_sides=0.5);
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90
screws.scad
90
screws.scad
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@ -278,21 +278,21 @@ Torx values: https://www.stanleyengineeredfastening.com/-/media/web/sef/resourc
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// shank = unthreaded section of shaft (invalid if screw is fully threaded)
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// threads = threaded section of screw
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// Extra Anchors:
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// top = top of screw
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// bot = bottom of screw
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// center = center of screw
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// head_top = top of head (same as top for headless screws)
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// head_bot = bottom of head (same as top for headless screws)
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// head_center = center of head (same as top for headless screws)
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// shaft_top = top of shaft
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// shaft_bot = bottom of shaft
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// shaft_center = center of shaft
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// shank_top = top of shank (invalid if screw is fully threaded)
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// shank_bot = bottom of shank (invalid if screw is fully threaded)
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// shank_center = center of shank (invalid if screw is fully threaded)
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// threads_top = top of threaded portion of screw (invalid if thread_len=0)
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// threads_bot = bottom of threaded portion of screw (invalid if thread_len=0)
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// threads_center = center of threaded portion of screw (invalid if thread_len=0)
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// "top" = top of screw
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// "bot" = bottom of screw
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// "center" = center of screw
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// "head_top" = top of head (same as top for headless screws)
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// "head_bot" = bottom of head (same as top for headless screws)
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// "head_center" = center of head (same as top for headless screws)
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// "shaft_top" = top of shaft
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// "shaft_bot" = bottom of shaft
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// "shaft_center" = center of shaft
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// "shank_top" = top of shank (invalid if screw is fully threaded)
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// "shank_bot" = bottom of shank (invalid if screw is fully threaded)
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// "shank_center" = center of shank (invalid if screw is fully threaded)
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// "threads_top" = top of threaded portion of screw (invalid if thread_len=0)
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// "threads_bot" = bottom of threaded portion of screw (invalid if thread_len=0)
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// "threads_center" = center of threaded portion of screw (invalid if thread_len=0)
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// Example(Med): Selected UTS (English) screws
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// $fn=32;
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// xdistribute(spacing=8){
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@ -804,21 +804,21 @@ module screw(spec, head, drive, thread, drive_size,
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// shank = unthreaded section of shaft (invalid if screw is fully threaded)
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// threads = threaded section of screw
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// Extra Anchors:
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// top = top of screw
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// bot = bottom of screw
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// center = center of screw
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// head_top = top of head (invalid for headless screws)
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// head_bot = bottom of head (invalid for headless screws)
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// head_center = center of head (invalid for headless screws)
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// shaft_top = top of shaft
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// shaft_bot = bottom of shaft
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// shaft_center = center of shaft
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// shank_top = top of shank (invalid if screw is fully threaded)
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// shank_bot = bottom of shank (invalid if screw is fully threaded)
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// shank_center = center of shank (invalid if screw is fully threaded)
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// threads_top = top of threaded portion of screw (invalid if thread_len=0)
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// threads_bot = bottom of threaded portion of screw (invalid if thread_len=0)
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// threads_center = center of threaded portion of screw (invalid if thread_len=0)
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// "top" = top of screw
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// "bot" = bottom of screw
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// "center" = center of screw
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// "head_top" = top of head (invalid for headless screws)
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// "head_bot" = bottom of head (invalid for headless screws)
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// "head_center" = center of head (invalid for headless screws)
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// "shaft_top" = top of shaft
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// "shaft_bot" = bottom of shaft
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// "shaft_center" = center of shaft
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// "shank_top" = top of shank (invalid if screw is fully threaded)
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// "shank_bot" = bottom of shank (invalid if screw is fully threaded)
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// "shank_center" = center of shank (invalid if screw is fully threaded)
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// "threads_top" = top of threaded portion of screw (invalid if thread_len=0)
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// "threads_bot" = bottom of threaded portion of screw (invalid if thread_len=0)
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// "threads_center" = center of threaded portion of screw (invalid if thread_len=0)
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// Example: Counterbored clearance hole
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// diff()
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// cuboid(20)
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@ -1038,21 +1038,21 @@ module screw_hole(spec, head, thread, oversize, hole_oversize, head_oversize,
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// shaft = screw shaft
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// threads = threaded section of screw
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// Extra Anchors:
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// top = top of screw
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// bot = bottom of screw
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// center = center of screw
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// head_top = top of head (invalid for headless screws)
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// head_bot = bottom of head (invalid for headless screws)
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// head_center = center of head (invalid for headless screws)
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// shoulder_top = top of shoulder
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// shoulder_bot = bottom of shoulder
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// shoulder_center = center of shoulder
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// shaft_top = top of shaft
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// shaft_bot = bottom of shaft
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// shaft_center = center of shaft
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// threads_top = top of threaded portion of screw (invalid if thread_len=0)
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// threads_bot = bottom of threaded portion of screw (invalid if thread_len=0)
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// threads_center = center of threaded portion of screw (invalid if thread_len=0)
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// "top" = top of screw
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// "bot" = bottom of screw
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// "center" = center of screw
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// "head_top" = top of head (invalid for headless screws)
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// "head_bot" = bottom of head (invalid for headless screws)
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// "head_center" = center of head (invalid for headless screws)
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// "shoulder_top" = top of shoulder
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// "shoulder_bot" = bottom of shoulder
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// "shoulder_center" = center of shoulder
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// "shaft_top" = top of shaft
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// "shaft_bot" = bottom of shaft
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// "shaft_center" = center of shaft
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// "threads_top" = top of threaded portion of screw (invalid if thread_len=0)
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// "threads_bot" = bottom of threaded portion of screw (invalid if thread_len=0)
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// "threads_center" = center of threaded portion of screw (invalid if thread_len=0)
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// Example: ISO shoulder screw
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// shoulder_screw("iso",10,length=20);
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// Example: English shoulder screw
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@ -864,7 +864,7 @@ module octagon(r, d, or, od, ir, id, side, rounding=0, realign=false, align_tip,
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// anchor = Translate so anchor point is at origin (0,0,0). See [anchor](attachments.scad#subsection-anchor). Default: `CENTER`
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// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
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// Extra Anchors:
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// hypot = Center of angled side, perpendicular to that side.
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// "hypot" = Center of angled side, perpendicular to that side.
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// Example(2D):
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// right_triangle([40,30]);
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// Example(2D): With `center=true`
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@ -1121,9 +1121,9 @@ function rect_tube(
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
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//
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// Extra Anchors:
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// hypot = Center of angled wedge face, perpendicular to that face.
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// hypot_left = Left side of angled wedge face, bisecting the angle between the left side and angled faces.
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// hypot_right = Right side of angled wedge face, bisecting the angle between the right side and angled faces.
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// "hypot" = Center of angled wedge face, perpendicular to that face.
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// "hypot_left" = Left side of angled wedge face, bisecting the angle between the left side and angled faces.
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// "hypot_right" = Right side of angled wedge face, bisecting the angle between the right side and angled faces.
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//
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// Example: Centered
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// wedge([20, 40, 15], center=true);
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@ -2742,9 +2742,9 @@ function torus(
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
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//
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// Extra Anchors:
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// cap = The center of the top of the cap, oriented with the cap face normal.
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// cap_fwd = The front edge of the cap.
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// cap_back = The back edge of the cap.
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// "cap" = The center of the top of the cap, oriented with the cap face normal.
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// "cap_fwd" = The front edge of the cap.
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// "cap_back" = The back edge of the cap.
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//
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// Example: Typical Shape
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// teardrop(r=30, h=10, ang=30);
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@ -2863,8 +2863,8 @@ function teardrop(h, r, ang=45, cap_h, r1, r2, d, d1, d2, cap_h1, cap_h2, chamf
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// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
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//
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// Extra Anchors:
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// cap = The center of the top of the cap, oriented with the cap face normal.
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// tip = The position where an un-capped onion would come to a point, oriented in the direction the point is from the center.
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// "cap" = The center of the top of the cap, oriented with the cap face normal.
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// "tip" = The position where an un-capped onion would come to a point, oriented in the direction the point is from the center.
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//
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// Example: Typical Shape
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// onion(r=30, ang=30);
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25
skin.scad
25
skin.scad
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@ -21,7 +21,7 @@
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// Synopsis: Connect a sequence of arbitrary polygons into a 3D object.
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// SynTags: VNF, Geom
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// Topics: Extrusion, Skin
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// See Also: sweep(), linear_sweep(), rotate_sweep(), spiral_sweep(), path_sweep(), offset_sweep()
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// See Also: vnf_vertex_array(), sweep(), linear_sweep(), rotate_sweep(), spiral_sweep(), path_sweep(), offset_sweep()
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// Usage: As module:
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// skin(profiles, slices, [z=], [refine=], [method=], [sampling=], [caps=], [closed=], [style=], [convexity=], [anchor=],[cp=],[spin=],[orient=],[atype=]) [ATTACHMENTS];
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// Usage: As function:
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@ -163,6 +163,8 @@
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// atype = Select "hull" or "intersect" anchor types. Default: "hull"
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// cp = Centerpoint for determining "intersect" anchors or centering the shape. Determintes the base of the anchor vector. Can be "centroid", "mean", "box" or a 3D point. Default: "centroid"
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// style = vnf_vertex_array style. Default: "min_edge"
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// Extra Anchors:
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// "origin" = The native position of the shape.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the shape.
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// "intersect" = Anchors to the surface of the shape.
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@ -884,6 +886,8 @@ function linear_sweep(
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// anchor = Translate so anchor point is at the origin. Default: "origin"
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// spin = Rotate this many degrees around Z axis after anchor. Default: 0
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// orient = Vector to rotate top towards after spin (module only)
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// Extra Anchors:
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// "origin" = The native position of the shape.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the shape.
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// "intersect" = Anchors to the surface of the shape.
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@ -1493,10 +1497,11 @@ module spiral_sweep(poly, h, r, turns=1, taper, r1, r2, d, d1, d2, internal=fals
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// "hull" = Anchors to the virtual convex hull of the shape.
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// "intersect" = Anchors to the surface of the shape.
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// Extra Anchors:
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// start = When `closed==false`, the origin point of the shape, on the starting face of the object
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// end = When `closed==false`, the origin point of the shape, on the ending face of the object
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// start-centroid = When `closed==false`, the centroid of the shape, on the starting face of the object
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// end-centroid = When `closed==false`, the centroid of the shape, on the ending face of the object
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// "origin" = The native position of the shape
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// "start" = When `closed==false`, the origin point of the shape, on the starting face of the object
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// "end" = When `closed==false`, the origin point of the shape, on the ending face of the object
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// "start-centroid" = When `closed==false`, the centroid of the shape, on the starting face of the object
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// "end-centroid" = When `closed==false`, the centroid of the shape, on the ending face of the object
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// Example(NoScales): A simple sweep of a square along a sine wave:
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// path = [for(theta=[-180:5:180]) [theta/10, 10*sin(theta)]];
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// sq = square(6,center=true);
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// orient = Vector to rotate top towards after spin
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// atype = Select "hull" or "intersect" anchor types. Default: "hull"
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// cp = Centerpoint for determining "intersect" anchors or centering the shape. Determintes the base of the anchor vector. Can be "centroid", "mean", "box" or a 3D point. Default: "centroid"
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// Extra Anchors:
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// "origin" = The native position of the shape.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the shape.
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// "intersect" = Anchors to the surface of the shape.
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@ -2171,6 +2178,8 @@ function _ofs_face_edge(face,firstlen,second=false) =
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// anchor = Translate so anchor point is at the origin. Default: "origin"
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// spin = Rotate this many degrees around Z axis after anchor. Default: 0
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// orient = Vector to rotate top towards after spin (module only)
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// Extra Anchors:
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// "origin" = The native position of the shape.
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// Anchor Types:
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// "hull" = Anchors to the virtual convex hull of the shape.
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// "intersect" = Anchors to the surface of the shape.
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@ -3869,9 +3878,9 @@ function texture(tex, n, border, gap, roughness, inset) =
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/// spin = Rotate this many degrees around the Z axis after anchor. See [spin](attachments.scad#subsection-spin). Default: `0`
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/// orient = Vector to rotate top towards, after spin. See [orient](attachments.scad#subsection-orient). Default: `UP`
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/// Extra Anchors:
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/// centroid_top = The centroid of the top of the shape, oriented UP.
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/// centroid = The centroid of the center of the shape, oriented UP.
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/// centroid_bot = The centroid of the bottom of the shape, oriented DOWN.
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/// "centroid_top" = The centroid of the top of the shape, oriented UP.
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/// "centroid" = The centroid of the center of the shape, oriented UP.
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/// "centroid_bot" = The centroid of the bottom of the shape, oriented DOWN.
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function _get_vnf_tile_edges(texture) =
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let(
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