flyscreen-handle: wip, extrude

[reprap-play.git] / flyscreen-handle.scad

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index 4bc5798788074659a01600d4b5a6587673cc34fb..68923392680e470b43d450667f2307cef06baad5 100644 (file)
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -7,12 +7,19 @@ opening_topprotr = 1.54;
 
 gap = 0.25;
 
+retain_empir_angle = 20;
+retain_empir_stalkw = 1.0;
+retain_rad = 1.5;
+
 bot_overlap = 5;
 bot_w = 3;
 
 handle_d = 2;
 handle_w = 8;
 handle_rh = 2;
+handle_rcut = 3;
+
+cutout_gap = 1.5;
 
 // calculated
 
@@ -20,8 +27,12 @@ ins_irad = openingcnr_dia/2 + gap;
 ins_orad = openingcnr_dia/2 + opening_height - gap;
 ins_th = ins_orad - ins_irad;
 
+handle_x0 = ins_irad;
 handle_h = bot_overlap + ins_th;
 handle_y0 = -ins_orad-bot_overlap;
+handle_y1 = handle_y0 + handle_h;
+
+handle_x1 = handle_x0 + bot_w + handle_w;
 
 module InsertSection(){
   translate([-ins_orad, 0]) square([ins_th, opening_topprotr]);
@@ -30,17 +41,77 @@ module InsertSection(){
     translate([0.1,0.1]) mirror([1,1]) square([100,100]);
     difference(){
       circle(r= ins_orad);
-      circle(r= ins_irad, $fn=10);
+      circle(r= ins_irad, $fn=20);
     }
   }
 }
 
 module HandleSection(){
+  difference(){
+    hull(){
+      translate([handle_x0, handle_y0])
+       square([bot_w, handle_h]);
+      for (y= [handle_y1 - handle_rh/2,
+              handle_y1 - ins_th + handle_rh/2]) {
+       translate([handle_x1 - handle_rh/2, y])
+         circle(r= handle_rh/2, $fn=20);
+      }
+    }
+    hull(){
+      for (x= [handle_x0 + bot_w + handle_rcut/2,
+              handle_x1 - handle_rh/2 - handle_rcut/2]) {
+       translate([x, handle_y1])
+         circle(r = handle_rcut/2, $fn=20);
+      }
+    }
+  }
   hull(){
-    translate([ins_irad, handle_y0])
-      square([bot_w, handle_h]);
+    for (y= [handle_y1 -   handle_rh/2,
+            handle_y1 - 3*handle_rh/2])
+      translate([handle_x1 - handle_rh/2, y])
+       circle(r = handle_rh/2, $fn=20);
+  }
+}
+
+module RetainSection(){
+  rotate(180-retain_empir_angle)
+    translate([0,ins_orad]) circle(r=retain_rad, $fn=20);
+}
+
+module RetainCutout(){
+  rotate(180-retain_empir_angle)
+    translate([0,ins_orad]) {
+    difference(){
+      circle(r=retain_rad + cutout_gap, $fn=20);
+      rotate(180 + retain_empir_angle/2)
+       translate([0, -retain_empir_stalkw])
+       square([100, retain_empir_stalkw*2]);
+    }
+  }
+}  
+
+module WithRetainSection(){
+  difference(){
+    InsertSection();
+    RetainCutout();
   }
+  HandleSection();
+  RetainSection();
+}
+
+module Demo(){
+  difference(){
+    InsertSection();
+    RetainCutout();
+  }
+  HandleSection();
+  color("red") RetainSection();
+}
+
+module Test(){
+  linear_extrude(height=2) WithRetainSection();
 }
 
-InsertSection();
-HandleSection();
+//Demo();
+//WithRetainSection();
+Test();