44 lines
1.3 KiB
OpenSCAD
44 lines
1.3 KiB
OpenSCAD
/**
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* Elmo-CL Sprocketed Roller Disc
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**/
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time = 0;
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module elmo_cl_sprocketed_roller_sprocket_disc () {
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SPROCKETS = 12;
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OUTER_D = 28.54;
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INNER_D = 14;
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H = 1;
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SPROCKET_H = 0.9;
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SPROCKET_W = 0.79;
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SPROCKET_L = 0.99;
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$fn = 200;
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//sub module
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module sprocket () {
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$fn = 40;
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//cube([SPROCKET_L, SPROCKET_W, SPROCKET_H], center = true);
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translate ([0, 0, -SPROCKET_H/2]) {
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difference () {
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translate([0, 0, 0]) scale([1, 1, 2.25]) rotate([90, 0, 90]) cylinder(r = SPROCKET_W/2, h = SPROCKET_L, center = true);
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translate([0, 0, -1]) cube([2, 2, 2], center = true);
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translate([1.5, 0, 0]) rotate([0, -5, 0]) cube([2, 2, 2], center = true);
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translate([-1.5, 0, 0]) rotate([0, 5, 0]) cube([2, 2, 2], center = true);
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}
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}
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}
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difference() {
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cylinder(r = OUTER_D / 2, h = H, center = true);
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cylinder(r = INNER_D / 2, h = H + 1, center = true);
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translate([7 + 1.5, 0, 0]) cylinder(r = 2 / 2, h = H + 1, center = true, $fn = 30);
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}
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for (i = [0: SPROCKETS - 1]) {
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rotate([0, 0, (i * (360 / SPROCKETS)) + (360 / (SPROCKETS * 2))]) translate([OUTER_D /2 + 0.4, 0, 0]) rotate([0, 90, 0]) sprocket();
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}
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}
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rotate([0, 0, time]) elmo_cl_sprocketed_roller_sprocket_disc (); |