53 lines
1.2 KiB
OpenSCAD
53 lines
1.2 KiB
OpenSCAD
$fn=360;
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spool_width=62;
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spool_outer_diam_1=68;
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depth_1=16;
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spool_outer_diam_2=36; // supports needed if this is less than spool_outer_diam_1
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inner_diam=9;
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difference()
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{
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union()
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{
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difference()
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{
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union()
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{
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cylinder(d=spool_outer_diam_1+20, h=2);
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translate([0,0,2])
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cylinder(d=spool_outer_diam_1, h=depth_1);
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}
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cylinder(d=spool_outer_diam_1-4, h=2+depth_1);
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}
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for (i=[0:120:240])
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rotate([0,0,i])
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translate([0,-1,0])
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cube([spool_outer_diam_1/2-1,2,2+depth_1]);
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translate([0,0,2+depth_1])
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{
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difference()
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{
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cylinder(d=spool_outer_diam_2, h=spool_width/2-depth_1);
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cylinder(d=spool_outer_diam_2-4, h=spool_width/2-depth_1);
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}
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for (i=[0:120:240])
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rotate([0,0,i])
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translate([0,-1,0])
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cube([spool_outer_diam_2/2-1,2,spool_width/2-depth_1]);
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}
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}
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cylinder(d=inner_diam+4, h=spool_width/2+2);
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}
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difference()
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{
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cylinder(d=inner_diam+4, h=spool_width/2+2);
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cylinder(d=inner_diam, h=spool_width/2+2);
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} |