77 lines
2.2 KiB
OpenSCAD
Executable File
77 lines
2.2 KiB
OpenSCAD
Executable File
// PRUSA iteration3
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// X end prototype
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// GNU GPL v3
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// Josef Průša <iam@josefprusa.cz> and contributors
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// http://www.reprap.org/wiki/Prusa_Mendel
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// http://prusamendel.org
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use <bearing.scad>
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use <polyholes.scad>
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rod_distance = 45;
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module x_end_base(){
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// Main block
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height = 58;
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translate(v=[-15,-9,height/2]) cube(size = [17,39,height], center = true);
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// Bearing holder
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vertical_bearing_base();
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//Nut trap
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// Cube
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translate(v=[-2,-18,6]) cube(size = [15,16,12], center = true);
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// Hexagon
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//translate(v=[0,-17,0]) rotate([0,0,30]) cylinder(h = 8, r=8, $fn = 6);
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}
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module x_end_holes(){
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vertical_bearing_holes();
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// Belt hole
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translate(v=[-1,0,0]){
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// Stress relief
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translate(v=[-5.5-10+1.5,-10-1,30]) cube(size = [18,1,28], center = true);
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difference(){
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translate(v=[-5.5-10+1.5,-10,30]) cube(size = [10,46,28], center = true);
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// Nice edges
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translate(v=[-5.5-10+1.5-5,-10,30+23]) rotate([0,20,0]) cube(size = [10,46,28], center = true);
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translate(v=[-5.5-10+1.5+5,-10,30+23]) rotate([0,-20,0]) cube(size = [10,46,28], center = true);
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translate(v=[-5.5-10+1.5,-10,30-23]) rotate([0,45,0]) cube(size = [10,46,28], center = true);
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translate(v=[-5.5-10+1.5,-10,30-23]) rotate([0,-45,0]) cube(size = [10,46,28], center = true);
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}
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}
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// Bottom pushfit rod
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translate(v=[-15,-41.5,6]) rotate(a=[-90,0,0]) pushfit_rod(7.8,50);
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// Top pushfit rod
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translate(v=[-15,-41.5,rod_distance+6]) rotate(a=[-90,0,0]) pushfit_rod(7.8,50);
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// Nut trap
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translate(v=[0,-17,-0.5]) poly_cylinder(h = 6, r=2.6, $fn=25);
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translate(v=[0,-17,8.5]) poly_cylinder(h = 4, r=2.6, $fn=25);
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translate(v=[2,-17,5.8]) cube([5+8.15,8.15,4.5], center=true);
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translate(v=[5.6,-27,5.8]) rotate([0,0,45]) cube([5,5,13], center=true);
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}
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// Final prototype
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module x_end_plain(){
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difference(){
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x_end_base();
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x_end_holes();
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}
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}
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x_end_plain();
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module pushfit_rod(diameter,length){
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poly_cylinder(h = length, r=diameter/2);
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difference(){
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translate(v=[0,-diameter/2.85,length/2]) rotate([0,0,45]) cube(size = [diameter/2,diameter/2,length], center = true);
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translate(v=[0,-diameter/4-diameter/2-0.4,length/2]) rotate([0,0,0]) cube(size = [diameter,diameter/2,length], center = true);
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}
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//translate(v=[0,-diameter/2-2,length/2]) cube(size = [diameter,1,length], center = true);
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}
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