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Allow creation of threadless screws.

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Revar Desmera 2018-12-09 17:39:50 -08:00
parent fd500109fb
commit 61d937c89b
1 changed files with 10 additions and 2 deletions
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12
metric_screws.scad
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@ -387,7 +387,7 @@ module screw(
// headtype = One of "hex", "pan", "button", "round", "countersunk", "oval", "socket". Default: "socket"
// l = length of screw, except for the head.
// shank = Length of unthreaded portion of the shaft.
// pitch = If given, render threads of the given pitch. Overrides coarse argument.
// pitch = If given, render threads of the given pitch. If 0, then no threads. Overrides coarse argument.
// details = If true model should be rendered with extra details. (Default: false)
// coarse = If true, make coarse threads instead of fine threads. Default = true
// flange = radius of flange beyond the head. Default = 0 (no flange)
@ -483,7 +483,15 @@ module metric_bolt(
// Threads
down(l) {
difference() {
up(tlen/2+0.05) threaded_rod(d=size, l=tlen+0.05, pitch=P, $fn=sides);
up(tlen/2+0.05) {
if (tlen > 0) {
if (P > 0) {
threaded_rod(d=size, l=tlen+0.05, pitch=P, $fn=sides);
} else {
cylinder(d=size, h=tlen+0.05, $fn=sides, center=true);
}
}
}
// Bevel bottom end of threads
if (details) {