add nema17 holder plate

3d_models/nema17braket.scad

@@ -0,0 +1,33 @@
+rad = 31;
+dx = rad/2;
+hole_sz=3.2;
+shaft_sz=7;
+
+full_h = 3;
+
+difference() {
+linear_extrude(height = full_h, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {square([42.3,42.3],true);}
+
+translate([0,0,-1]){
+translate([dx,dx,0]){
+    linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
+}
+translate([dx,-dx,0]){
+    linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
+}
+translate([-dx,dx,0]){
+    linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
+}
+translate([-dx,-dx,0]){
+    linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=hole_sz, $fn=20);}
+}
+ linear_extrude(height = full_h+2, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=shaft_sz, $fn=20);};
+
+}
+ translate([0,0,full_h-2]){
+ linear_extrude(height = full_h, center = false, convexity = 10, twist = 0, slices = 20, scale = 1.0) {circle(d=25, $fn=20);};
+}
+
+ }
+     
+