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Example file for issue #95

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1 parent c869c6e commit 382e5fa7e1654b2e49ec81be482eef1bd2b09644 @kintel kintel committed Apr 3, 2012
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  1. +128 −0 testdata/scad/bugs/issue95-normalization-crash.scad
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+#
+# Reported by Triffid Hunter.
+# Causes a crash in CCGTermNormalizer::normalizePass()
+#
+
+pi = 3.141592653589;
+sl = 0.5;
+
+w = 400;
+
+pulley_diam = 28;
+bearing_diam = 22; //include size of bearing guides
+
+module crx(size=[1, 1, 1]) {
+ linear_extrude(height=size[2])
+ square([size[0], size[1]], center=true);
+}
+
+module cyl(r=1, h=1, center=false) {
+ cylinder(r=r, h=h, center=center, $fn=r * 2 * pi / sl);
+}
+
+module lm8uu() {
+ cyl(r=15 /2, h=24);
+}
+
+module nema17() {
+ translate([0, 0, -48]) crx([42, 42, 48]);
+ translate([0, 0, -1]) {
+ cyl(r=2.5, h=26);
+ cyl(r=22.5 / 2, h=3.1);
+ }
+ translate([0, 0, 2.1]) {
+ difference() {
+ cyl(r=pulley_diam / 2, h=11.5);
+ translate([0, 0, (11.5 - 8) / 2]) rotate_extrude()
+ translate([21.5 / 2, 0])
+ square(8);
+ }
+ }
+ cyl(r=17.5 / 2, h=19.5);
+ for (i=[0:3]) {
+ rotate([0, 0, i * 90])
+ translate([31 / 2, 31 / 2, -1]) {
+ cyl(r=1.5, h=11);
+ translate([0, 0, 5.5])
+ cyl(r=4, h=30);
+ }
+ }
+}
+
+module bearing608() {
+ cyl(r=bearing_diam / 2, h = 7);
+}
+
+module rods() {
+ for (i=[0:1]) {
+ translate([25, 0, i * 70])
+ rotate([0, -90, 0])
+ cyl(r=4, h=420);
+ }
+
+ translate([0, 10, -40]) {
+ cyl(r=3, h=150);
+ translate([0, 0, 34]) cylinder(r=10 / cos(180 / 6) / 2, h=6, $fn=6);
+ }
+
+ translate([30, 10, -40]) {
+ cyl(r=4, h=150);
+ }
+}
+
+module lm8uu_holder() {
+ render()
+ difference() {
+ union() {
+ translate([0, 0, -13]) difference() {
+ hull() {
+ translate([-9, -9, -1]) cube([18, 1, 28]);
+ translate([0, 1, -1]) cyl(r=18 / 2, h = 28);
+ }
+ translate([-10, 5, -1]) cube([20, 10, 28]);
+ translate([-10, -3, 11 - 5]) cube([20, 20, 4]);
+ translate([-10, -3, 11 + 5]) cube([20, 20, 4]);
+ }
+ }
+ translate([0, 0, -11]) {
+ hull() {
+ #lm8uu();
+ translate([0, 10, 0]) cyl(r=6, h=24);
+ }
+ translate([0, 0, -3]) hull() {
+ cyl(r=5, h=30);
+ translate([0, 10, 0]) cyl(r=5, h=30);
+ }
+ }
+ }
+}
+
+module x_end_motor() {
+ difference() {
+ union() {
+ translate([-10, -18, -19]) #cube([50, 2, 90]);
+ translate([30, 10, 60]) lm8uu_holder();
+ translate([30, 10, -5]) lm8uu_holder();
+ }
+ #rods();
+
+ translate([15.5, -19, 14]) {
+ rotate([90, 0, 0]) cyl(r=30 / 2, h= 50, center=true);
+ rotate([-90, 45, 0])
+ #nema17();
+ translate([-w, 4, 0])
+ rotate([-90, 0, 0])
+ bearing608();
+ translate([0, 5, 0]) hull() {
+ #translate([0, 0, 24 / 2 - 1.5]) cube([1, 5, 1.5]);
+ #translate([-w, 0, bearing_diam / 2 ]) cube([1, 5, 1.5]);
+ }
+ translate([0, 5, 0]) hull() {
+ #translate([0, 0, 24 / -2]) cube([1, 5, 1.5]);
+ #translate([-w, 0, bearing_diam / -2 - 1.5]) cube([1, 5, 1.5]);
+ }
+ }
+ }
+}
+
+x_end_motor();

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