From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 3 Jun 2022 00:14:10 +0000 (+0100)
Subject: scaffold-clamp-linear-bracket: wip
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=7c933f59c3fd699979facc7a283da7cc35ce7c51;hp=0acb409cab726a503ed71753d52d230a2adef63c;p=reprap-play.git

scaffold-clamp-linear-bracket: wip

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/scaffold-clamp-common.scad b/scaffold-clamp-common.scad
index 61821f9..4dada2c 100644
--- a/scaffold-clamp-common.scad
+++ b/scaffold-clamp-common.scad
@@ -49,7 +49,10 @@ hhook_l = 40;
 // ---------- linear bracket ----------
 
 linear_bracket_h = 50;
-linear_bracket_l = 1000;
+linear_bracket_l = 100;
+linear_bracket_t = 20;
+linear_bracket_hole_offset = 20;
+linear_bracket_hole_dia = 5 + 1.00;
 
 // ========== defaults ==========
 
@@ -392,14 +395,25 @@ module LinearBracketA(){ ////toplevel
   difference(){
     union(){
       HalfClampXPositive();
-      linextr_y_xz(-open_gap/2 - 1, -open_gap/2)
-	mirror([1,0,0])
+      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);
+      }
+    }
   }
 }