// PRUSA iteration3 // X end prototype // GNU GPL v3 // Josef Průša and contributors // http://www.reprap.org/wiki/Prusa_Mendel // http://prusamendel.org use use 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,-18,6]) cube(size = [15,16,12], 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 = [18,1,28], 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+1.5-5,-10,30+23]) rotate([0,20,0]) cube(size = [10,46,28], center = true); translate(v=[-5.5-10+1.5+5,-10,30+23]) rotate([0,-20,0]) 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(7.8,50); // Top pushfit rod translate(v=[-15,-41.5,rod_distance+6]) rotate(a=[-90,0,0]) pushfit_rod(7.8,50); // Nut trap translate(v=[0,-17,-0.5]) poly_cylinder(h = 6, r=2.6, $fn=25); translate(v=[0,-17,8.5]) poly_cylinder(h = 4, r=2.6, $fn=25); translate(v=[2,-17,5.8]) cube([5+8.15,8.15,4.5], center=true); translate(v=[5.6,-27,5.8]) rotate([0,0,45]) cube([5,5,13], center=true); } // 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); }