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Merge remote-tracking branch 'upstream/master'

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Richard Milewski
2025-06-21 23:57:05 -07:00
parent 463c0a0e29 cbb6763eef
commit e91e2aaab8
2 changed files with 17 additions and 4 deletions
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10
shapes3d.scad
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@@ -1762,8 +1762,8 @@ function rect_tube(
// "hypot" = Center of angled wedge face, perpendicular to that face.
// "hypot_left" = Left side of angled wedge face, bisecting the angle between the left side and angled faces.
// "hypot_right" = Right side of angled wedge face, bisecting the angle between the right side and angled faces.
// "top_edge" = Top edge anchor which, unlike the UP anchor, points in direction that bisects the edge, and provides `$edge_length` and `$edge_angle`.
//
// "top_edge" = Top edge anchor which, unlike the UP anchor, points in direction that bisects the edge, and provides `$edge_length` and `$edge_angle`.
// "bot_edge" = The bottom tip edge with an anchor direction that properly bisects the edge and the `$edge_length` and `$edge_angle` parameters set.
// Example: Centered
// wedge([20, 40, 15], center=true);
// Example: *Non*-Centered
@@ -1794,12 +1794,16 @@ module wedge(size=[1, 1, 1], center, anchor, spin=0, orient=UP)
right_dir = unit(hypot_dir+RIGHT);
hedge_spin=vector_angle(spindir,rot(from=UP,to=left_dir, p=BACK));
topedge_dir = [0, each unit(unit([size.z,size.y])+[-1,0])];
botedge_dir = [0, each unit(unit([size.z,size.y])+[0,-1])];
anchors = [
named_anchor("hypot", CTR, hypot_dir, 180),
named_anchor("hypot_left", [-size.x/2,0,0], left_dir,-hedge_spin),
named_anchor("hypot_right", [size.x/2,0,0], right_dir,hedge_spin),
named_anchor("top_edge", [0,-size.y/2,size.z/2], topedge_dir, _compute_spin(topedge_dir,RIGHT),
info=[["edge_angle",atan2(size.y,size.z)],["edge_length",size.x]])
info=[["edge_angle",atan2(size.y,size.z)],["edge_length",size.x]]),
named_anchor("bot_edge", [0,size.y/2, -size.z/2], botedge_dir, _compute_spin(botedge_dir,RIGHT),
info=[["edge_angle",atan2(size.z,size.y)],["edge_length",size.x]]),
];
attachable(anchor,spin,orient, size=size, anchors=anchors) {
if (size.z > 0) {

11
tutorials/Attachment-Basic-Positioning.md
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@@ -73,7 +73,8 @@ For cylindrical type attachables, the Z component of the anchor vector must be
to the bottom rim, the middle side, or the top rim of the cylindrical or conical shape.
The X and Y components can be any value, pointing towards the circular perimeter of the cone.
These combined let you point at any place on the bottom or top rims, or at an arbitrary
side wall.
side wall. When the Z component is zero you can omit it and pass just
an [X,Y] vector.
```openscad-3D
include <BOSL2/std.scad>
@@ -92,6 +93,14 @@ include <BOSL2/std.scad>
cylinder(r1=25, r2=15, h=60, anchor=cylindrical_to_xyz(1,30,1));
```
Here we anchor using a 2D XY vector where the Z value is assumed to be
zero:
```openscad-3D
include <BOSL2/std.scad>
cylinder(r=25, h=6, anchor=[-1,-2]);
```
---
For Spherical type attachables, you can pass a vector that points at any arbitrary place on