-include <configuration.scad>
-use <bushing.scad>
-rod_distance = 45;
-
-module x_end_motor(){
-
- x_end_idler([3,3,0,0], thru=false);
- /// motor dummy
- //%translate([21-5,-21-11,25]) cube([42,42,42], center = true);
-
-
- difference(){
- union(){
- translate([-13.5,-16,26]) cube_fillet([17,14,52], center = true, vertical=[0,0,3,3], top=[0,3,6,3]);
- translate([-13.5,-34,9]) intersection(){
- cube_fillet([17,37,18], center = true, vertical=[0,0,0,0], top=[0,3,5,3]);
- translate([-17/2,10,-26]) rotate([45,0,0]) cube_fillet([17,60,60], radius=2);
- }
- translate([-22, -32, 30.25]) rotate([90, 0, 0]) rotate([0, 90, 0]) nema17(places=[1,0,1,1], h=17);
- }
-
- // motor screw holes
- translate([21-5,-21-11,30.25]){
- // belt hole
- translate([-30,11,0]) cube([10,26,20], center = true);
- //motor mounting holes
- translate([-41, 0, 0]) rotate([90, 0, 0]) rotate([0, 90, 0]) nema17(places=[1,0,1,1], holes=true, shadow=17, $fn=6, h=20);
- }
- }
- //smooth rod caps
- translate([-22, -10.5, 0]) cube([17, 2, 15]);
- translate([-22, -10.5, 45]) cube([17, 2, 10]);
-}
-
-
-module x_end_idler(vfillet=[3,3,3,3], thru=true){
- difference(){
- union(){
- difference(){
- translate([-4.5-10+2-1,17.5-10+2,30]) cube_fillet([15+2,35+5,60], center = true, vertical=vfillet, top=[5,3,5,3]);
- //#translate([0,0,26]) cube_fillet([17,13.8,80], center = true);
- //#cylinder(r=5.1, h=80);
- bushing_negative(60);
- }
- //rotate([0,0,0]) translate([0,-9.5,0])
- echo(bearing_choice);
- if (bearing_choice == 1) {
- linear_bushing();
- } else {
- linear_bearing();
- }
- // Nut trap
- difference(){
- if ((bearing_type == 1) || (bushing_type == 2)) {
- translate([-2,17.5,4]) cube_fillet([16,18,8], center = true, vertical=[3,0,0,0]);
- } else {
- translate([-2,17.5,4]) cube_fillet([16,18,8], center = true, vertical=[3,0,0,3]);
- }
-
- //bottom hole
- translate([0,17,-1]) cylinder(h = 4, r=2.45);
- //nut slid in
- translate([5,17,4]) cube([21,9.5,4.1], center = true);
-
- translate([0,17,6.5]) cylinder(h = 4, r=2.45);
- }
- }
-
- // belt hole
- translate([-5.5-10+1.5,22-10,30]) cube([10,46,32], center = true);
-
- if(thru == true){
- translate([-14,-11,6]) rotate([-90,0,0]) pushfit_rod(8,50);
- translate([-14,-11,rod_distance+6]) rotate([-90,0,0]) pushfit_rod(8,50);
- } else {
- translate([-14,-7,6]) rotate([-90,0,0]) pushfit_rod(8,50);
- translate([-14,-7,rod_distance+6]) rotate([-90,0,0]) pushfit_rod(8,50);
- }
-
- // idler hole
- translate([0,17+7,30.25]) rotate([0,-90,0]) cylinder(h = 80, r=2.2, $fn=30);
-
- }
-
- //threaded rod
- translate([0,17,0]) %cylinder(h = 70, r=2.5);
-
-}
-mirror([0,0,0]) x_end_idler(thru=true);
-// translate([40,40,0]) x_end_idler(thru=false);
-translate([40,0,0]) mirror([0,1,0]) x_end_motor();
-
-module pushfit_rod(diameter,length){
- cylinder(h = length, r=diameter/2, $fn=30);
- translate([0,-diameter/4,length/2]) cube([diameter,diameter/2,length], center = true);
-
- translate([0,-diameter/2-1.2,length/2]) cube([diameter,1,length], center = true);
-}
+// PRUSA iteration3
+// X ends
+// GNU GPL v3
+// Josef Průša <josefprusa@me.com>
+// Václav 'ax' Hůla <axtheb@gmail.com>
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://github.com/prusajr/PrusaMendel
+
+include <configuration.scad>
+use <bushing.scad>
+xaxis_rod_distance = 45;
+
+module x_end_motor(){
+ mirror([0,1,0]) {
+
+ x_end_base([3,3,0,0], thru=false);
+ /// motor dummy
+ //%translate([21-5,-21-11,25]) cube([42,42,42], center = true);
+
+
+ difference(){
+ union(){
+ translate([-13.75,-15,26]) cube_fillet([17.5,12,52], center = true, vertical=[0,0,3,1.5], top=[0,3,6,3]);
+ translate([-10,-34,9]) intersection(){
+ cube_fillet([10,37,18], center = true, vertical=[0,0,0,0], top=[0,3,5,3]);
+ translate([-10/2,10,-26]) rotate([45,0,0]) cube_fillet([10,60,60], radius=2);
+ }
+ translate([-15, -32, 30.25]) rotate([90, 0, 0]) rotate([0, 90, 0]) nema17(places=[1,0,1,1], h=10);
+ }
+
+ // motor screw holes
+ translate([21-5,-21-11,30.25]){
+ // belt hole
+ translate([-30,11,0]) cube([10,26,20], center = true);
+ //motor mounting holes
+ translate([-29, 0, 0]) rotate([0, 0, 0]) rotate([0, 90, 0]) nema17(places=[1,1,0,1], holes=true, shadow=5, $fn=7, h=8);
+ }
+ }
+ //smooth rod caps
+ translate([-22, -10, 0]) cube([17, 2, 15]);
+ translate([-22, -10, 45]) cube([17, 2, 10]);
+ }
+}
+
+
+module x_end_base(vfillet=[3,3,3,3], thru=true, len=40){
+ difference(){
+ union(){
+ difference(){
+ #translate([-13.75-0.5,-10+len/2,30]) cube_fillet([18.5,len,60], center = true, vertical=vfillet, top=[5,3,5,3]);
+ bushing_negative(60);
+ }
+ //rotate([0,0,0]) translate([0,-9.5,0])
+ if (bearing_choice == 1) {
+ linear_bushing(60);
+ } else {
+ linear_bearing(60);
+ }
+ // Nut trap
+ difference(){
+ if ((bearing_choice != 1) || (bushing_type == 2)) {
+ translate([-2,17.5,4]) cube_fillet([16,18,8], center = true, vertical=[3,0,0,0]);
+ } else {
+ translate([-2,17.5,4]) cube_fillet([16,18,8], center = true, vertical=[3,0,0,3]);
+ }
+
+ //bottom hole
+
+ translate([0,17,-1]) cylinder(h = 4, r=2.75);
+ //nut slid in
+ translate([5,17,4]) cube([9.2*2,9.2*sqrt(3/4),4.1], center = true);
+
+ translate([0,17,6.5]) cylinder(h = 4, r=2.75);
+ }
+ }
+
+ // belt hole
+ translate([-5.5-10+1.5,22-9,30]) cube([10,55,32], center = true);
+
+ if(thru == true){
+ translate([-14,-11,6]) rotate([-90,0,0]) pushfit_rod(8.2,50);
+ translate([-14,-11,xaxis_rod_distance+6]) rotate([-90,0,0]) pushfit_rod(8.2,50);
+ } else {
+ translate([-14,-7,6]) rotate([-90,0,0]) pushfit_rod(8.25,50);
+ translate([-14,-7,xaxis_rod_distance+6]) rotate([-90,0,0]) pushfit_rod(8.25,50);
+ }
+
+
+ }
+
+ //threaded rod
+ #translate([0,17,0]) %cylinder(h = 70, r=2.5+0.2);
+
+}
+
+
+module x_end_idler(){
+ difference() {
+ x_end_base(len=42+idler_size_inner_r);
+ // idler hole
+ translate([0,17+6+idler_size_inner_r,30.25-((bearing_type==0)? 3 : 0)]) rotate([0,-90,0]) cylinder(h = 80, r=idler_size_inner_r-0.2, $fn=30);
+ if (bearing_type == 0)
+ translate([-9,17+6+idler_size_inner_r,30.25-3]) {
+ rotate([0,-90,0]) cylinder(h = 10, r=idler_size/2+4, $fn=30);
+ translate([-5,10,0]) cube([10,20,idler_size+8], center=true);
+ }
+ }
+}
+
+mirror([0,0,0]) x_end_idler(thru=true);
+// translate([40,40,0]) x_end_idler(thru=false);
+translate([40,0,0]) x_end_motor();
+
+module pushfit_rod(diameter,length){
+ cylinder(h = length, r=diameter/2, $fn=30);
+ translate([0,-diameter/4,length/2]) cube([diameter,diameter/2,length], center = true);
+
+ translate([0,-diameter/2-1.2,length/2]) cube([diameter,1,length], center = true);
+}