chiark / gitweb /
flyscreen-handle: revised approach, for adding pegs
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Fri, 26 Aug 2016 18:59:05 +0000 (19:59 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Fri, 26 Aug 2016 18:59:05 +0000 (19:59 +0100)
flyscreen-handle.scad

index e0c640f..47588a0 100644 (file)
@@ -31,6 +31,7 @@ handle_rcut = 3;
 cutout_gap = 1.5;
 
 total_len = 40;
 cutout_gap = 1.5;
 
 total_len = 40;
+retain_len = 8;
 basics_len = 8;
 
 overret_hch = 5;
 basics_len = 8;
 
 overret_hch = 5;
@@ -57,8 +58,8 @@ retain_cutout_h = retain_rad * 2 + retain_bend_gap;
 
 overret_gaplen = retain_cutout_h / cos(retain_empir_angle);
 
 
 overret_gaplen = retain_cutout_h / cos(retain_empir_angle);
 
-retaining_len = total_len - overret_gaplen - basics_len * 2;
-echo(retaining_len);
+retain1_len = retain_len + retain_stalk_len;
+retain1_base = total_len - retain1_len;
 
 module InsertSection(){
   hull(){
 
 module InsertSection(){
   hull(){
@@ -159,13 +160,32 @@ module BasicSection(){
 }
 
 module Handle(){
 }
 
 module Handle(){
-  bs0 = retaining_len + overret_gaplen + basics_len;
-  bs1 = bs0 + overret_hch;
+  bs1 = retain_len + overret_gaplen + 4;
+
+  translate([0,0,0])
+    linear_extrude(height= retain_len)
+    WithRetainSection();
+
+  translate([0,0, bs1])
+    linear_extrude(height= basics_len)
+    BasicSection();
+
+  translate([0,0, bs1+0.1]) mirror([0,0,1]) {
+    intersection_for (sl=[0,1]) {
+      multmatrix([[1,0,0,0],
+                 [0,1,sl,0],
+                 [0,0,1,0],
+                 [0,0,0,1]])
+       linear_extrude(height= overret_gaplen + 10, convexity=100)
+       BasicSection();
+    }
+  }
+  
   linear_extrude(height=total_len, convexity=100) GappingSection();
 
   linear_extrude(height=total_len, convexity=100) GappingSection();
 
-  translate([0,0, basics_len]) {
+  translate([0,0, retain1_base]) {
     intersection(){
     intersection(){
-      linear_extrude(height=retaining_len, convexity=100)
+      linear_extrude(height=retain1_len, convexity=100)
        WithRetainSection();
       translate([retain_mxy[0], retain_mxy[1], 0])
        rotate([0,0, retain_empir_angle])
        WithRetainSection();
       translate([retain_mxy[0], retain_mxy[1], 0])
        rotate([0,0, retain_empir_angle])
@@ -177,23 +197,6 @@ module Handle(){
        cube([50, 60, 50]);
     }
   }
        cube([50, 60, 50]);
     }
   }
-
-  for (z= [0, bs1]) {
-    translate([0,0, z])
-      linear_extrude(height= basics_len)
-      BasicSection();
-  }
-
-  translate([0,0, bs1+0.1]) mirror([0,0,1]) {
-    intersection_for (sl=[0,1]) {
-      multmatrix([[1,0,0,0],
-                 [0,1,sl,0],
-                 [0,0,1,0],
-                 [0,0,0,1]])
-       linear_extrude(height= overret_gaplen + 10, convexity=100)
-       BasicSection();
-    }
-  }
 }
 
 module Demo(){
 }
 
 module Demo(){
@@ -215,6 +218,6 @@ module Test(){
 //WithRetainSection();
 //BasicSection();
 //GappingSection();
 //WithRetainSection();
 //BasicSection();
 //GappingSection();
-Test();
+//Test();
 //Demo();
 //Demo();
-//Handle();
+Handle();