From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 24 Feb 2024 11:38:19 +0000 (+0000)
Subject: mudguard-bracket: retainer right circle
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=d574813558cdf285eeaeb7cd4888c4c9250afc1e;p=reprap-play.git

mudguard-bracket: retainer right circle

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

diff --git a/mudguard-bracket.scad b/mudguard-bracket.scad
index ab9b425..ce92a10 100644
--- a/mudguard-bracket.scad
+++ b/mudguard-bracket.scad
@@ -202,30 +202,33 @@ module Bracket(){ ////toplevel
   }
 }
 
-module Retainer(){ ////toplevel
+module RetainerElevation(){
   difference(){
     union(){
-      linextr(0, retainer_th) {
-	difference(){
-	  union(){
-	    rectfromto([ -retainer_ea_x, retainer_z_ctr ],
-		       [ +retainer_ea_x, bracket_top_z + retainer_adjust/2 ]);
-	    // TODO make it round at bottom
-	  }
-	  translate([ 0, screw_hole_z ])
-	    Oval( screw_dia/2, retainer_adjust );
-	  rectfromto([ -retainer_void_w/2, retainer_z + retainer_th ],
-		     [ +retainer_void_w/2, 
-		       screw_hole_z - retainer_adjust/2 ]);
-	}
-      }
-      linextr(0, retainer_tab)
-	translate([ 0, retainer_z_ctr ])
-	circle(r = retainer_radius + retainer_th);
+      rectfromto([ -retainer_ea_x, retainer_z_ctr ],
+		 [ +retainer_ea_x, bracket_top_z + retainer_adjust/2 ]);
+      // TODO make it round at bottom
     }
-    linextr(-1, retainer_tab+1)
-      translate([ 0, retainer_z_ctr ])
+    translate([ 0, screw_hole_z ])
+      Oval( screw_dia/2, retainer_adjust );
+    translate([ 0, retainer_z_ctr ])
       circle(r = retainer_radius);
+    rectfromto([ -retainer_void_w/2, retainer_z + retainer_th ],
+	       [ +retainer_void_w/2, 
+		 screw_hole_z - retainer_adjust/2 ]);
+  }
+}
+
+module Retainer(){ ////toplevel
+  linextr(0, retainer_th) {
+    RetainerElevation();
+  }
+  linextr(0, retainer_tab) {
+    intersection(){
+      RetainerElevation();
+      translate([ 0, retainer_z_ctr ])
+	circle(r = retainer_radius + retainer_th);
+    }
   }
 }