83 lines
3.2 KiB
OpenSCAD
83 lines
3.2 KiB
OpenSCAD
// supermicro SC808 (and others) fan holder for 2x 40x40x28mm fans instead of 3x 40x40x56mm
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// by zeus - 2022-09-09 - CC-BY-NC-SA-4.0 - https://git.kostianix.de/zeus/3d-stuff/openscad/own/supermicro_sc808t/
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// #####################################
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$fn=100;
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mt=1.75;
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mt_center=22.5;
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nipple_offset=5.5;
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fan_w=42.0;
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fan_h=fan_w;
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fan_d=28.75;
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fan_holedist=32.2;
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fan_block_w=fan_w*0.55;
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base_w=2*fan_w+2*mt+mt_center;
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base_d=fan_d+2*mt+2*nipple_offset;
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base_h=10;
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base_hole_dist=161.50;
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base_hole_dia=6.4;
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base_hole_sleeve_h=4;
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base_hole_sleeve_dia=base_hole_dia+1.5;
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base_hole_y_offset=7.5;
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base_w_cpl=base_hole_dist+2*mt;
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base_w_tab=base_w_cpl/2-mt-mt_center/2-fan_w;
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// #####################################
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module fanblock(){
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union(){
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difference(){
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cube([base_w,base_d,base_h],center=true);
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cube([base_w-2*mt,base_d-2*mt,base_h+0.1],center=true);
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for (x=[-mt_center/2-fan_w/2,-(-mt_center/2-fan_w/2)],y=[(fan_d+2*nipple_offset)/2-mt,-(fan_d+2*nipple_offset)/2+mt],z=[mt,-mt]){
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translate([x,y,0]){
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rotate([90,0,0])translate([0,fan_w/2-base_h/2+mt,z])cylinder(r=fan_w/2,h=2*mt+0.1,center=true);
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}
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}
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}
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for (x=[-mt_center/2-fan_w/2,-(-mt_center/2-fan_w/2)],y=[(fan_d+2*nipple_offset)/2-mt,-(fan_d+2*nipple_offset)/2+mt]){
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translate([x,y,0]){
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difference(){
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cube([fan_block_w,2*mt,base_h],center=true);
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rotate([90,0,0])translate([0,fan_w/2-base_h/2+mt,0])cylinder(r=fan_w/2,h=2*mt+0.1,center=true);
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}
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}
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}
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cube([mt_center,fan_d+2*nipple_offset,base_h],center=true);
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}
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}
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module sleeve(){
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difference(){
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cylinder(d=base_hole_sleeve_dia,h=base_hole_sleeve_h,center=true);
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cylinder(d=base_hole_dia,h=base_hole_sleeve_h+0.1,center=true);
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}
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}
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module tab(){
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difference(){
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hull(){
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translate([-mt/2,0,0])cube([mt,base_d,mt],center=true);
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translate([-base_w_tab,-base_hole_y_offset-mt,0])cylinder(r=base_hole_dia/2-1,h=mt,center=true);
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translate([-base_w_tab,+base_hole_y_offset+mt,0])cylinder(r=base_hole_dia/2-1,h=mt,center=true);
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}
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translate([-base_hole_dist/2+base_w/2,base_hole_y_offset,0])cylinder(d=base_hole_dia,h=mt+0.1,center=true);
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translate([-base_hole_dist/2+base_w/2,-base_hole_y_offset,0])cylinder(d=base_hole_dia,h=mt+0.1,center=true);
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}
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translate([-base_hole_dist/2+base_w/2,base_hole_y_offset,base_hole_sleeve_h/2-mt/2])sleeve();
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translate([base_hole_dist/2+base_w/2,base_hole_y_offset,base_hole_sleeve_h/2-mt/2])sleeve();
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hull(){
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translate([-mt/2,0,0])cube([mt,mt,mt],center=true);
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translate([-mt/2,0,base_h-mt])cube([mt,mt,mt],center=true);
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translate([-mt/2-base_w_tab,0,0])cube([mt,mt,mt],center=true);
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}
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}
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module hole_control(){
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for(x=[-base_hole_dist/2,base_hole_dist/2],y=[-base_hole_y_offset,base_hole_y_offset]){
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translate([x,y,0])#cylinder(d=base_hole_dia-1,h=4*mt,center=true);
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}
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}
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// #####################################
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translate([0,0,base_h/2])fanblock();
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translate([-base_w/2,0,mt/2])tab();
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rotate([0,0,180])translate([-base_w/2,0,mt/2])tab();
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//hole_control(); |