chiark / gitweb /
flyscreen-handle: topprotr adj
[reprap-play.git] / flyscreen-handle.scad
index cd11a64d19cd4df647c3f33e515dff84a3909f46..5111eb36c1a4071cdc6ffed599e06622dad6df49 100644 (file)
@@ -7,6 +7,12 @@ opening_topprotr = 1.54;
 
 gap = 0.25;
 
+retain_empir_angle = 20;
+retain_empir_stalkw = 1.0;
+retain_rad = 1.5;
+
+topprotr_rad = 0.35;
+
 bot_overlap = 5;
 bot_w = 3;
 
@@ -15,6 +21,8 @@ handle_w = 8;
 handle_rh = 2;
 handle_rcut = 3;
 
+cutout_gap = 1.5;
+
 // calculated
 
 ins_irad = openingcnr_dia/2 + gap;
@@ -29,7 +37,12 @@ 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]);
+  hull(){
+    translate([-ins_orad, 0]) square([ins_th, 0.1]);
+    translate([-ins_irad - topprotr_rad,
+              opening_topprotr - topprotr_rad])
+      circle(r=topprotr_rad, $fn=10);
+  }
   translate([0, -ins_orad]) square([ins_irad+1, ins_th]);
   intersection(){
     translate([0.1,0.1]) mirror([1,1]) square([100,100]);
@@ -45,8 +58,9 @@ module HandleSection(){
     hull(){
       translate([handle_x0, handle_y0])
        square([bot_w, handle_h]);
-      for (dy= [handle_rh/2, handle_h - handle_rh/2]) {
-       translate([handle_x1 - handle_rh/2, handle_y0 + dy])
+      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);
       }
     }
@@ -58,7 +72,53 @@ module HandleSection(){
       }
     }
   }
+  hull(){
+    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();