started with screw holder

library/din.scad

@@ -14,7 +14,7 @@ van = -(va/2);  // Negative half of visual addition
 difference()
 {
  cube(size=([40,10,3]),center=true); 
- din_rail_75(lenght = 20, hole_offset = 0 , extra_thickness= 0.2, extra_bending_d = 0.2 ,extra_wing_lenght = 0.1, center = true);
+ din_rail_75(lenght = 20, hole_offset = 0 , extra_thickness= 0.3, extra_bending_d = 0.5 ,extra_wing_lenght =0.2, center = true);
 }
 
 
@@ -43,10 +43,10 @@ difference()
 module din_rail_75(lenght = 100, hole_offset = 5 , extra_thickness=0, extra_bending_d=0, extra_wing_lenght = 0, center = true)
 {
     thickness = 1 + extra_thickness; 
-    base_inside_width = 25;
+    base_inside_width = 25-extra_thickness;
     base_outise_width = base_inside_width + 2*thickness; 
     total_width = 35; 
-    total_height = 7.5; 
+    total_height = 7.5 + 0.4; 
 
     
     hole_lenght = 15; 

library/swisspb.scad

@@ -0,0 +1,54 @@
+/*
+Creator : Kerem Yollu 
+date : 30.06.2021
+Description : library for din rail and accessories. 
+*/
+	
+
+include <box.scad>
+$fn = 100; 
+va = 0.02;      // Visual addition for difference
+vap = va/2;     // Half of visual addition 
+van = -(va/2);  // Negative half of visual addition
+
+
+pb1_small_dia = 10.8;
+pb1_big_dia = 13.2;
+pb1_lenght = 13;
+
+pb_holder(pb1_big_dia,pb1_small_dia,pb1_lenght); 
+
+
+
+module pb_holder(big_dia = 10, small_dia = 5 , distance = 10)
+{
+    wall_thickness = 1.6; 
+
+    #difference()
+    {
+        hull()
+        {
+            translate([0,0,distance/2+van])
+                cube(size=([big_dia+2*wall_thickness,big_dia+2*wall_thickness,va]),center=true);
+            translate([0,0,-distance/2+vap])
+                cube(size=([small_dia+2*wall_thickness,small_dia+2*wall_thickness,va]),center=true);
+        }
+
+        hull()
+        {
+        translate([0,0,distance/2])
+            cylinder(d=big_dia, h=va, center = true);
+
+        translate([0,0,-distance/2])
+            cylinder(d=small_dia, h=va, center = true);
+        }
+
+        hull()
+        {
+            translate([0,big_dia/2,distance/2+van])
+                cube(size=([big_dia,big_dia,va]),center=true);
+            translate([0,small_dia/2,-distance/2+vap])
+                cube(size=([small_dia,small_dia,va]),center=true);
+        }
+    }   
+}