init

xcarve-pulley-tention.scad

@@ -0,0 +1,54 @@
+$fn=64;
+
+length = 38;
+width = 17;
+height = 13;
+wall = 5;
+screw = 5.5; // M5 screw
+pulley_width = 10;
+pulley_thickness = 3;
+
+difference() {
+    body();
+    screw1();
+    screw2();
+    pulley_slots();
+    translate([length/1.5, 0, 0])
+        rotate([0,35,0])
+            translate([-length/2, 0, 0])
+            cube([length, width*1.2, height], center=true);
+}
+
+
+
+module screw1() {
+    translate([-width/2 -1, 0, 0])
+    rotate([0, -90, 0])
+    cylinder(wall*2, d = screw);
+    
+    translate([-(width/2)+wall/1.75, 0, 0])
+    rotate([0, -90, 0])
+    cylinder((wall*2), d = screw*2);
+}
+
+module screw2() {
+    translate([-width/8, 0, -wall*2])
+    cylinder(wall*2, d = screw);
+}
+
+module pulley_slots() {
+    translate([wall, 0, -wall])
+    cube([pulley_thickness, pulley_width, wall*2], center=true);
+    
+    translate([wall*2.5, 0, -wall])
+    cube([pulley_thickness, pulley_width, wall*2], center=true);
+}
+
+
+module body() {
+    difference() {
+        cube([length, width, height], center=true);
+        translate([wall/1.5, 0, wall-1.5])
+            cube([length, width - (wall), height], center=true);
+    }
+}