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difference(){
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union()
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{
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translate([0,0.01,3.6])
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rotate([90,0,0])
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linear_extrude (height=2)
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import (file="essieu.dxf", layer="0", $fn=500);
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translate([0,30.48,3.6])
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rotate([90,0,0])
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linear_extrude (height=2)
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import (file="essieu.dxf", layer="0", $fn=500);
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//central part
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linear_extrude (height=2.001)
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import (file="essieu.dxf", layer="top", $fn=500);
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}
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#union(){
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translate ([0,4.25,3.5])rotate([90,90,0])
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rotate_extrude($fn=200)
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import (file="roue-v2.dxf", layer="central-larger", $fn=500);
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translate ([20.5,4.25,3.5])rotate([90,90,0])
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rotate_extrude($fn=200)
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import (file="roue-v2.dxf", layer="central-larger", $fn=500);
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}
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}
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