126 lines
2.7 KiB
OpenSCAD
126 lines
2.7 KiB
OpenSCAD
// universal endstop holder for rostock delta printer
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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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// 2014-09-21
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//
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// edit "module wall" for your needs if not using "sainsmart mechaical endstop pcb"
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// for further instructions look at the comments above the "wall"-module in this code.
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//
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// ===================================================================
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//
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//rod-diameter, set a bit thicker than the rod really is
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rod_dia=8.5;
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//center-to-center distance of the rods; set a bit smaller than the original 60 to keep the bearings smooth
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rod_distance=59.7;
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// overall thickness
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material_t=2.0;
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// mounting-wall thickness
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wall_t=5;
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//overall height
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holder_h=16.5;
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//diameter of the holes
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hole_dia=3;
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//cone cut-in of the holes for easier screw insertion; set to "0" if not needed
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cut_in=1;
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wall_w=rod_distance-material_t*2+rod_dia/2-1;
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$fn=30;
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// ===================================================================
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module hex_standoff(){
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rotate([90,0,0]){
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translate([-rod_dia*0.66,holder_h/2,0]){
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difference(){
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cylinder(r=holder_h/1.75,h=rod_dia+material_t,center=true,$fn=6);
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cube([rod_dia/1.5,rod_dia/1.5,rod_dia+material_t],center=true);
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}
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}
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}
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}
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module clip(){
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difference(){
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union(){
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//outer cylinder
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cylinder(r=rod_dia/2+material_t,h=holder_h);
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//outer hex standoffs
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hex_standoff();
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}
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//inner cylinder
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cylinder(r=rod_dia/2,h=holder_h);
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//cutout
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translate([-rod_dia,0,holder_h/2]){
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cube([rod_dia*2,rod_dia/1.25,holder_h],center=true);
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}
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}
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}
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module hole(){
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rotate([90,0,0]){
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cylinder(r=hole_dia/2,h=wall_t*2, center=true);
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if (cut_in==1) {
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cylinder(r1=0,r2=hole_dia*0.6,h=wall_t*1.01,center=true);
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}
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}
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}
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// ===================================================================
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// Edit the module below to add the holes you want to appear in the center-part.
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// should be mostly self-explaining
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//
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// translate([-22,0,3]){
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// hole();
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// }
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//
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// this example code creates a hole, which is moved by -22mm(x), 0mm(y), and 3mm(z)
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// measured from the absolute center of the coordinate-system (enable under "View -> Show Axes").
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// ===================================================================
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module wall(){
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difference(){
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translate([0,0,holder_h/2]){
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cube([wall_w-material_t*4,wall_t,holder_h],center=true);
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}
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union(){
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translate([-22,0,3]){
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hole();
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}
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translate([-3,0,3]){
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hole();
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}
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translate([11.5,0,3]){
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hole();
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}
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translate([11.5,0,14]){
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hole();
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}
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}
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}
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}
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//left clip
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translate([-rod_distance/2,0,0]){
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clip();
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}
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//right clip
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translate([rod_distance/2,0,0]){
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rotate([0,0,180]){
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clip();
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}
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}
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//wall
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wall();
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