X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=scaffold-clamp-common.scad;h=51f0d8ce422679a84a25c51bd98b912eefb59c11;hb=0f68fb954dddaf11e5bf3ea473b345f60d7e37a4;hp=f1916ef66d754dbf63bf474a3b036116f38aa30e;hpb=723ab7fc6fb089b1b63478783d22f7da472e6dec;p=reprap-play.git

diff --git a/scaffold-clamp-common.scad b/scaffold-clamp-common.scad
index f1916ef..51f0d8c 100644
--- a/scaffold-clamp-common.scad
+++ b/scaffold-clamp-common.scad
@@ -20,12 +20,16 @@ hinge_z_gap = 1;
 
 hinge_units = 4;
 
-// vhook
+// ---------- vhook ----------
+
+vhook_th = 14;
 
-vhook_th = 10;
+// ---------- hhook ----------
 
+hhook_inner = 40;
+hhook_th = 4;
 
-// calculated
+// ========== calculated ==========
 
 pin_dia = th;
 hole_dia = th + pin_gap;
@@ -151,22 +155,6 @@ module HalfClampX(flatten=false){
   }
 }
 
-module PlanDemo(){ ////toplevel
-  MainPlan();
-  translate([0,0,-4]) color("red") Portion(1);
-  translate([0,0,-2]) color("grey") Portion(0);
-
-  translate([0, tube_dia*1.5]) {
-    MainPlanB();
-    MainPlanA();
-  }
-
-  translate([0, -tube_dia*1.5]) {
-    VHookPlanDemo();
-  }
-//  translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
-}
-
 // ---------- vhook ----------
 
 module VHookProfile() {
@@ -174,19 +162,39 @@ module VHookProfile() {
     circle(r = vhook_th/2);
 }
 
-module VHookHookMain(){ ////toplevel
+module VHookHookMain(outer=false){ ////toplevel
   rotate([0,90,0])
     rotate_extrude(convexity=10)
     rotate([0,0,90])
-    VHookProfile();
+    hull(){
+      VHookProfile();
+      if (outer) {
+	translate([0,-vhook_outer_dia]) square(center=true, vhook_th);
+      }
+    }
 }
 
 module VHookPartA(){ ////toplevel
   DummyA();
 
-  translate([0, vhook_ctr, min_z + vhook_outer_dia/2]){
-    linextr(-0.1, vhook_outer_dia/2)
-      VHookProfile();
+  translate([0, vhook_ctr, 0]){
+    for (m=[0,1]) {
+      mirror([0, m, 0]) {
+	linextr(-0.1, vhook_outer_dia/2)
+	  VHookProfile();
+	translate([0, -vhook_inside/2 -vhook_th/2, vhook_outer_dia/2])
+	  sphere(r= vhook_th/2);
+      }
+    }
+
+    intersection(){
+      VHookHookMain(outer=true);
+      linextr_y_xz(0, vhook_outer_dia/2) hull(){
+	VHookProfile();
+	translate([0,-0.1]) square(center=true, [vhook_th, 0.2]);
+      }
+    }
+
     intersection(){
       VHookHookMain();
       translate([0,0, -vhook_outer_dia])
@@ -199,7 +207,7 @@ module VHookPartA(){ ////toplevel
 }
 
 module VHookPlanDemo(){
-  VHookPlan();
+  MainPlanA();
   translate([0, vhook_ctr, 5])
     for (m=[0,1]) {
       mirror([0,m])
@@ -207,6 +215,12 @@ module VHookPlanDemo(){
     }
 }
 
+// ---------- hhook ----------
+
+module HHookPlanDemo(){
+  MainPlanA();
+}
+
 // ---------- misc ----------
 
 module GeneralB(){ ////toplevel
@@ -217,6 +231,25 @@ module DummyA(){ ////toplevel
   HalfClampX();
 }
 
+module PlanDemo(){ ////toplevel
+  MainPlan();
+  translate([0,0,-4]) color("red") Portion(1);
+  translate([0,0,-2]) color("grey") Portion(0);
+
+  translate([0, tube_dia*1.5]) {
+    MainPlanB();
+    MainPlanA();
+  }
+
+  translate([0, -tube_dia*1.5]) {
+    VHookPlanDemo();
+  }
+  translate([tube_dia*4, 0]) {
+    HHookPlanDemo();
+  }
+//  translate([max_x - hinge_x + 20, 0]) color("blue") MainPlanA();
+}
+
 module Demo(){ ////toplevel
   color("red") rotate([180,0,0]) GeneralB();
   color("blue") DummyA();