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make slop undef and add get_slop()

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add no_children in places
This commit is contained in:
Adrian Mariano
2022-04-11 22:18:52 -04:00
parent f75ff907c7
commit 82b4b284a9
12 changed files with 51 additions and 34 deletions
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4
threading.scad
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@@ -539,7 +539,7 @@ module acme_threaded_nut(
// 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`
// $slop = The printer-specific slop value, which adds clearance (`4*$slop`) to internal threads.p
// $slop = The printer-specific slop value, which adds clearance (`4*$slop`) to internal threads.
// Example(2D): The straight gray rectangle reveals the tapered threads.
// projection(cut=true) npt_threaded_rod(size=1/4, orient=BACK);
// right(.533*INCH/2) color("gray") rect([2,0.5946*INCH],anchor=LEFT);
@@ -1075,7 +1075,7 @@ module generic_threaded_rod(
r2 = get_radius(d1=d2, d=d);
sides = quantup(segs(max(r1,r2)), starts);
rsc = internal? (1/cos(180/sides)) : 1;
islop = internal? 2*$slop : 0;
islop = internal? 2*get_slop() : 0;
_r1 = r1 * rsc + islop;
_r2 = r2 * rsc + islop;
threads = quantup(l/pitch+2,1); // Was quantup(1/pitch+2,2*starts);