126 lines
2.2 KiB
OpenSCAD
126 lines
2.2 KiB
OpenSCAD
// stoffel-hotend tripod fan mount for deltas
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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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// 25.09.2014
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mount_hole_distance=50;
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height=40;
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//=======================================
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mount_arm_w=8;
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mount_arm_block_l=mount_hole_distance/2;
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mount_arm_l=mount_hole_distance/2+mount_arm_w/2;
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mount_hole_dia=4.0;
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fan_size=40;
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fan_wall_t=2;
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fan_wall_h=fan_size;
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fan_wall_w=fan_size;
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fan_hole_distance=32;
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fan_hole_size=3.5;
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fan_wheel_d = fan_size*0.95;
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//=======================================
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// ============= PILLARS =============
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module base_plate(){
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module base_mount_hole(){
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cylinder(r=mount_hole_dia/2,h=height*2,center=true,$fn=16);
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}
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module base_pillar(){
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difference(){
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translate([-mount_arm_block_l/2,0,0]){
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cylinder(r=mount_arm_w/2,h=height,center=true,$fn=12);
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}
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translate([-mount_arm_block_l/2,0,0]){
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base_mount_hole();
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}
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}
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}
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difference(){
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union(){
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rotate([0,0,0]){translate([-mount_arm_block_l/2,0,0]){base_pillar();}}
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rotate([0,0,120]){translate([-mount_arm_block_l/2,0,0]){base_pillar();}}
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rotate([0,0,-120]){translate([-mount_arm_block_l/2,0,0]){base_pillar();}}
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}
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}
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}
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// ============ // ============// ============ // ============
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module fan_mnt_hole(){
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rotate([90,0,0]){cylinder(r=fan_hole_size/2,h=fan_wall_t+0.1,center=true,$fn=16);}
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}
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module fan_holes(){
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translate([-fan_hole_distance/2,0,-fan_hole_distance/2]) {
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fan_mnt_hole();
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}
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translate([fan_hole_distance/2,0,-fan_hole_distance/2]) {
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fan_mnt_hole();
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}
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translate([-fan_hole_distance/2,0,fan_hole_distance/2]) {
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fan_mnt_hole();
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}
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translate([fan_hole_distance/2,0,fan_hole_distance/2]) {
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fan_mnt_hole();
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}
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}
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module fan_wall(){
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difference(){
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cube([fan_wall_w,fan_wall_t,fan_wall_h],center=true);
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rotate([90,0,0]){cylinder(r=fan_wheel_d/2,h=fan_wall_t+0.1,center=true);}
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fan_holes();
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}
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}
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// ============ DRAWING ============
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base_plate();
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rotate([0,0,90]){
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translate([0,-mount_arm_l/PI-mount_hole_dia*1.5,0]){
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fan_wall();
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}
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}
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rotate([0,0,210]){
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translate([0,-mount_arm_l/PI-mount_hole_dia*1.5,0]){
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fan_wall();
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}
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}
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rotate([0,0,-30]){
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translate([0,-mount_arm_l/PI-mount_hole_dia*1.5,0]){
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fan_wall();
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}
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}
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