/
x-end.scad
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/
x-end.scad
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// PRUSA iteration3
// X end prototype
// GNU GPL v3
// Josef Průša <iam@josefprusa.cz> and contributors
// http://www.reprap.org/wiki/Prusa_Mendel
// http://prusamendel.org
use <bearing.scad>
use <polyholes.scad>
rod_distance = 45;
module x_end_base(){
// Main block
height = 58;
translate(v=[-15,-9,height/2]) cube(size = [17,39,height], center = true);
// Bearing holder
vertical_bearing_base();
//Nut trap
// Cube
translate(v=[-2-2,-17,4]) cube(size = [8,16,8], center = true);
// Hexagon
translate(v=[0,-17,0]) rotate([0,0,30]) cylinder(h = 8, r=8, $fn = 6);
}
module x_end_holes(){
vertical_bearing_holes();
// Belt hole
translate(v=[-1,0,0]){
// Stress relief
translate(v=[-5.5-10+1.5,-10-1,30]) cube(size = [20,1,28], center = true);
difference(){
translate(v=[-5.5-10+1.5,-10,30]) cube(size = [10,46,28], center = true);
// Nice edges
translate(v=[-5.5-10+1.5,-10,30+23]) rotate([0,45,0]) cube(size = [10,46,28], center = true);
translate(v=[-5.5-10+1.5,-10,30+23]) rotate([0,-45,0]) cube(size = [10,46,28], center = true);
translate(v=[-5.5-10+1.5,-10,30-23]) rotate([0,45,0]) cube(size = [10,46,28], center = true);
translate(v=[-5.5-10+1.5,-10,30-23]) rotate([0,-45,0]) cube(size = [10,46,28], center = true);
}
}
// Bottom pushfit rod
translate(v=[-15,-41.5,6]) rotate(a=[-90,0,0]) pushfit_rod(8.1,50);
// Top pushfit rod
translate(v=[-15,-41.5,rod_distance+6]) rotate(a=[-90,0,0]) pushfit_rod(8.1,50);
// Nut trap
translate(v=[0,-17,-0.5]) poly_cylinder(h = 4, r=2.6, $fn=25);
translate(v=[0,-17,3]) rotate([0,0,30]) cylinder(h = 10, r=4.5, $fn = 6);
}
// Final prototype
module x_end_plain(){
difference(){
x_end_base();
x_end_holes();
}
}
x_end_plain();
module pushfit_rod(diameter,length){
poly_cylinder(h = length, r=diameter/2);
difference(){
translate(v=[0,-diameter/2.85,length/2]) rotate([0,0,45]) cube(size = [diameter/2,diameter/2,length], center = true);
translate(v=[0,-diameter/4-diameter/2-0.4,length/2]) rotate([0,0,0]) cube(size = [diameter,diameter/2,length], center = true);
}
//translate(v=[0,-diameter/2-2,length/2]) cube(size = [diameter,1,length], center = true);
}