From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 22 Jan 2021 18:10:01 +0000 (+0000)
Subject: scaffold-clamp-cleat: wip
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=df4e53c99a5573eee956a297534c170da2a81808;hp=bd267a1c154423c410e00ab145c62dbbb2de85d9

scaffold-clamp-cleat: wip

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

diff --git a/scaffold-clamp-common.scad b/scaffold-clamp-common.scad
index 5dabac5..843e05c 100644
--- a/scaffold-clamp-common.scad
+++ b/scaffold-clamp-common.scad
@@ -33,8 +33,9 @@ vhook_th = 14;
 cleat_frames = 10;
 cleat_curve_r = 200;
 cleat_horn_l = 60;
-cleat_horn_d_min = 8;
-cleat_horn_d_max = 10;
+cleat_horn_d_min = [8, 10];
+cleat_horn_d_max = [10, 12];
+cleat_height = 25;
 
 // ---------- hhook ----------
 
@@ -249,12 +250,14 @@ module VHookPlanDemo(){
 // ---------- cleat ----------
 
 module CleatFrame(s) {
+  r = ( cleat_horn_d_min * s +
+	cleat_horn_d_max * (1-s) ) * 0.5;
   translate([0,0, cleat_curve_r])
     rotate( s * cleat_horn_l / cleat_curve_r * 360/TAU * [0,1,0] )
     translate([0,0, -cleat_curve_r])
     rotate([0, 90, 0])
-    sphere(r= ( cleat_horn_d_min * s +
-		cleat_horn_d_max * (1-s) ) * 0.5);
+    scale([1, r[1]/r[0]])
+    sphere(r= r[0]);
 }
 
 
@@ -262,17 +265,24 @@ module CleatHorn(){
   for (si=[0 : cleat_frames-2]) {
     s0 = si / (cleat_frames-1);
     s1 = (si+1) / (cleat_frames-1);
-    hull(){
+    //hull(){
       CleatFrame(s0);
       CleatFrame(s1);
-    }
+    //}
   }
 }
 
 module VCleatA(){ ////toplevel
-//  DummyA();
+  %DummyA();
 
-  CleatHorn();
+  translate([0, -(main_r + cleat_height), 0]) {
+    rotate([0, -90, 90]) {
+      for (m=[0,1]) {
+	mirror([m,0,0])
+	  CleatHorn();
+      }
+    }
+  }
 }
 
 // ---------- hhook ----------