air-hockey-puck: wip

[reprap-play.git] / scaffold-clamp-common.scad

diff --git a/scaffold-clamp-common.scad b/scaffold-clamp-common.scad
index 167785dbea1cff769776214276ece90bc1a01769..79ed1da0fffa32845344d390ef6ee7d957c45363 100644 (file)
--- a/scaffold-clamp-common.scad
+++ b/scaffold-clamp-common.scad
@@ -46,6 +46,14 @@ hhook_inside = 40;
 hhook_th = 4;
 hhook_l = 40;
 
+// ---------- linear bracket ----------
+
+linear_bracket_h = 50;
+linear_bracket_l = 100;
+linear_bracket_t = 15;
+linear_bracket_hole_offset = 20;
+linear_bracket_hole_dia = 5 + 1.00;
+
 // ========== defaults ==========
 
 pin_head_th = th/2;
@@ -387,8 +395,25 @@ module LinearBracketA(){ ////toplevel
   difference(){
     union(){
       HalfClampXPositive();
+      mirror([1,0,0])
+      linextr_y_xz(-open_gap/2 - linear_bracket_t, -open_gap/2)
+       rectfromto([0, min_z],
+                  [max_x + linear_bracket_l, min_z + linear_bracket_h]);
     }
     HalfClampXNegative();
+    linextr(-1000,1000)
+      TubePlan();
+    mirror([1,0,0])
+      linextr_y_xz(-100,100) {
+      for (t = [
+               [1,1] * linear_bracket_hole_offset,
+               -[1,1] * linear_bracket_hole_offset +
+               [linear_bracket_l, linear_bracket_h]
+               ]) {
+       translate([ max_x, min_z ] + t)
+         circle(r= linear_bracket_hole_dia/2);
+      }
+    }
   }
 }