33 lines
836 B
OpenSCAD
33 lines
836 B
OpenSCAD
// VARS
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old_fan_depth=38;
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fan_dia=80;
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fan_depth=25;
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fan_oversize=10;
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mt=2.5;
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width=fan_dia;
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length=fan_dia;
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hole_dia=4.25;
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hole_offset=4.5;
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depth=old_fan_depth-fan_depth;
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cage_mt=2;
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$fn=100;
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//##################
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// MODEL
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module bracket_bottom(){
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difference(){
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cube([width,length,mt]);
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translate([fan_dia/2,fan_dia/2,-0.1])cylinder(r=(fan_dia+fan_oversize)/2,h=depth+0.2);
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translate([-0.1,length/2+0.1,-0.1])cube([width+0.2,(length+0.1)/2,depth+0.2]);
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translate([length/2,hole_offset,-0.1]){
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translate([-length/2+hole_offset,0,0])cylinder(r1=hole_dia/2,r2=hole_dia/2+0.5,h=mt+0.2);
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translate([length/2-hole_offset,0,0])cylinder(r1=hole_dia/2,r2=hole_dia/2+0.5,h=mt+0.2);
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}
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}
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translate([-cage_mt,-mt,0])cube([length+cage_mt*2,mt,depth]);
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}
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bracket_bottom();
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