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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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