laser holder nearly ready

3d_models/laser_holder.scad

@@ -1,3 +1,6 @@
+// 0 = all, 1=only the bracket
+export_set = 0;
+
 laser_pen_diam = 14.5;
 
 holder_spacing=60;
@@ -6,6 +9,26 @@ holder_len = 18;
 holder_width = 5;
 holder_height = laser_pen_diam + 4;
 
+holder_back_len =  holder_spacing + holder_width + 10;
+
+module pad(l,h,z) {
+    linear_extrude(height = z, center = false, convexity = 10, twist = 0) {
+        polygon(points = [ [0,0], [0,l], [h,0]]);
+    }
+}
+
+module screw_hole(y,z) {
+    translate(v=[-9,y,z])
+        rotate(a=90, v=[0,1,0]){
+            cylinder(h=4, d=1.8*3.2, $fn=6);
+        }
+    translate(v=[-20,y,z]){
+        rotate(a=90, v=[0,1,0]){
+            #cylinder(h=30, d=3.2,$fn=10);
+        }            
+    }
+}
+
 module pico_haut(){
 translate(v=[holder_len/2,0,5]){
                     rotate(a=90, v=[1,0,0]) {
@@ -31,26 +54,41 @@ module start_stop_cyl(){
 }
 
 module holder_base(){
-    hull(){
-        translate(v=[holder_len/2-1,  0, holder_height/2]){
-            rotate(a=90, v=[1,0,0]) {
-                cylinder(h=holder_width,
-                                d=2,center=true, $fn=20);
-            }
-        }     
-         translate(v=[-holder_len/2,  0, holder_height/2,]){
-            rotate(a=90, v=[1,0,0]) {
-                cylinder(h=holder_width,
-                                d=2,center=true, $fn=20);
+    union(){
+        hull(){
+            translate(v=[holder_len/2-1,  0, holder_height/2]){
+                rotate(a=90, v=[1,0,0]) {
+                    cylinder(h=holder_width,
+                                    d=2,center=true, $fn=20);
+                }
+            }     
+             translate(v=[-holder_len/2,  0, holder_height/2,]){
+                rotate(a=90, v=[1,0,0]) {
+                    cylinder(h=holder_width,
+                                    d=2,center=true, $fn=20);
+                }
             }
-        }
-        translate(v=[-holder_len/2, 0, -holder_height/2]){
-            rotate(a=90, v=[1,0,0]) {
-                cylinder(h=holder_width,
-                                d=2,center=true, $fn=20);
+            translate(v=[-holder_len/2, 0, -holder_height/2]){
+                rotate(a=90, v=[1,0,0]) {
+                    cylinder(h=holder_width,
+                                    d=2,center=true, $fn=20);
+                }
             }
+            start_stop_cyl();
         }
-        start_stop_cyl();
+        translate(v=[-7,0,4])
+            pad(6,5,5);
+        
+          translate(v=[-7,0,-7])
+            pad(6,5,5);
+        
+             rotate(a=180, v=[1,0,0])
+                  translate(v=[-7,0,-8])
+            pad(6,5,5);          
+        
+        rotate(a=180, v=[1,0,0])
+                  translate(v=[-7,0,4])
+            pad(6,5,5);          
     }
 }
         
@@ -80,17 +118,27 @@ module holder(pos_y) {
             }
             start_stop_cyl();
             
+        }
+    }
+}
 
-
+difference(){
+    union(){
+        holder(0);
+        if (export_set == 0) {
+            holder(holder_spacing);
+            translate(v=[-holder_len/2,holder_spacing/2,0]){
+                cube([5,holder_back_len,21], center=true);
+            }
         }
+    //    
+    //    translate(v=[-holder_len/2,holder_spacing/2,-3]){
+    //        cube([5,holder_spacing+holder_width,20], center=true);
+    //    }
     }
+    screw_hole(10,5);
+    screw_hole(10,-5);
+    screw_hole(50,5);
+    screw_hole(50,-5);
 }
 
-union(){
-    holder(0);
-//    holder(holder_spacing);
-//    
-//    translate(v=[-holder_len/2,holder_spacing/2,-3]){
-//        cube([5,holder_spacing+holder_width,20], center=true);
-//    }
-}