48 lines
1.6 KiB
OpenSCAD
48 lines
1.6 KiB
OpenSCAD
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// 40mm fan adapter for delta frames
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// by zeus - zeus@ctdo.de - CC-BY-NC-4.0
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// -> https://www.thingiverse.com/zeus
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// -> https://github.com/zeus86
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// 2016-02-26
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// ---
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//some vars
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$fn=24;
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mnt_hole_dia=5.1;
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fan_hole_dia=4;
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fan_hole_dist=32.5;
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fan_dia_effective=40;
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base_w=40*1.75;
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base_t=3;
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base_h=40+2*mnt_hole_dia;
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standoff_h=7;
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//====================================
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module standoff(){
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translate([0,0,standoff_h/2+base_t/2]){
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difference(){
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cylinder(r1=fan_hole_dia,r2=fan_hole_dia*0.75,h=standoff_h,center=true);
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cylinder(r=fan_hole_dia/2,h=standoff_h+1,center=true);
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}
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}
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}
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module base(){
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difference(){
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cube([base_w,base_h,base_t],center=true);
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cylinder(r=fan_dia_effective/2,h=base_t+1,center=true,$fn=48);
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translate([-(base_w/2-mnt_hole_dia),+(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
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translate([+(base_w/2-mnt_hole_dia),+(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
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translate([-(base_w/2-mnt_hole_dia),-(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
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translate([+(base_w/2-mnt_hole_dia),-(base_h/2-mnt_hole_dia),0])cylinder(r=mnt_hole_dia/2,h=base_t+1,center=true);
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}
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translate([-(fan_hole_dist/2),+(fan_hole_dist/2),0])standoff();
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translate([+(fan_hole_dist/2),+(fan_hole_dist/2),0])standoff();
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translate([-(fan_hole_dist/2),-(fan_hole_dist/2),0])standoff();
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translate([+(fan_hole_dist/2),-(fan_hole_dist/2),0])standoff();
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}
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base();
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