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Merge branch 'BelfrySCAD:master' into anachronist_dev

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Alex Matulich
2025-07-16 20:57:28 -07:00
committed by GitHub
parent 78a06f63ab 84de8a3070
commit 687d0bfd24
1 changed files with 7 additions and 7 deletions
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14
joiners.scad
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@@ -687,7 +687,7 @@ module dovetail(gender, width, height, slide, h, w, angle, slope, thickness, tap
type = is_def(chamfer) && chamfer>0 ? "chamfer" : "circle";
smallend_half = round_corners(
bigend_half = round_corners(
move(
[0,-slide/2-extra,0],
p=[
@@ -700,13 +700,13 @@ module dovetail(gender, width, height, slide, h, w, angle, slope, thickness, tap
method=type, cut = fullsize, closed=false
);
smallend_points = concat(select(smallend_half, 1, -2), [down(extra,p=select(smallend_half, -2))]);
bigend_points = concat(select(bigend_half, 1, -2), [down(extra,p=select(bigend_half, -2))]);
offset = is_def(taper) ? -slide * tan(taper)
: is_def(back_width) ? (back_width-width) / 2
: 0;
bigend_points = move([offset+2*extra_offset,slide+2*extra,0], p=smallend_points);
smallend_points = move([offset+2*extra_offset,slide+2*extra,0], p=bigend_points);
bigenough = all_nonnegative(column(smallend_half,0)) && all_nonnegative(column(bigend_points,0));
bigenough = all_nonnegative(column(bigend_half,0)) && all_nonnegative(column(smallend_points,0));
assert(bigenough, "Width (or back_width) of dovetail is not large enough for its geometry (angle and taper");
@@ -715,7 +715,7 @@ module dovetail(gender, width, height, slide, h, w, angle, slope, thickness, tap
// This code computes the true normal from which the exact width factor can be obtained
// as the x component. Comparing to wfactor above shows that they agree.
// pts = [smallend_points[0], smallend_points[1], bigend_points[1],bigend_points[0]];
// pts = [bigend_points[0], bigend_points[1], smallend_points[1],smallend_points[0]];
// n = -polygon_normal(pts);
// echo(n=n);
// echo(invwfactor = 1/wfactor, error = n.x-1/wfactor);
@@ -726,8 +726,8 @@ module dovetail(gender, width, height, slide, h, w, angle, slope, thickness, tap
skin(
[
reverse(concat(smallend_points, xflip(p=reverse(smallend_points)))),
reverse(concat(bigend_points, xflip(p=reverse(bigend_points))))
reverse(concat(bigend_points, xflip(p=reverse(bigend_points)))),
reverse(concat(smallend_points, xflip(p=reverse(smallend_points))))
],
slices=0, convexity=4
);