flyscreen-handle: take RetainCutout out of HandleSection too

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

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index 3a7e7f9719729479df5bc26d2dfdf5f6dc0d2fb2..1c55f80af6b833d9e5e8799ce5a2b41b1f661966 100644 (file)
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -1,38 +1,65 @@
 // -*- C -*-
 
-opening_height = 7.84;
-opening_depth = 7.88;
+opening_height = 7.84 - 0.3;
+opening_depth = 6.0; // 7.88;
 openingcnr_dia = 2.75;
 opening_topprotr = 1.54;
 
 gap = 0.25;
 
+retain_empir_angle = 20;
+retain_empir_stalkw = 0.8;
+retain_rad = 1.65;
+retain_empir_inward = 0.65;
+
+hgap_empir_adjust = -0.5;
+
+topprotr_rad = 0.35;
+
 bot_overlap = 5;
 bot_w = 3;
 
-handle_d = 2;
 handle_w = 8;
-handle_rh = 2;
+handle_rh = 3;
 handle_rcut = 3;
 
+cutout_gap = 1.5;
+
+total_len = 35;
+retaining_len = 10;
+overret_gaplen = 5;
+
+overret_hch = 5;
+
 // calculated
 
 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_x0 = ins_irad + hgap_empir_adjust;
 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;
 
+topprotr_y = -ins_irad + opening_topprotr;
+
 module InsertSection(){
-  translate([-ins_orad, 0]) square([ins_th, opening_topprotr]);
+  hull(){
+    translate([-ins_irad, -ins_irad])
+      mirror([1,0])
+      square([opening_depth - ins_irad, 0.1]);
+    translate([-ins_irad - topprotr_rad,
+              topprotr_y - 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]);
+    translate([0.1, -ins_irad + 0.1])
+      mirror([1,1])
+      square([100, opening_depth]);
     difference(){
       circle(r= ins_orad);
       circle(r= ins_irad, $fn=20);
@@ -59,7 +86,95 @@ 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 - retain_empir_inward])
+    circle(r=retain_rad, $fn=20);
+}
+
+module RetainCutout(gapping=false){
+  rotate(180-retain_empir_angle)
+    translate([0, ins_orad - retain_empir_inward]) {
+    difference(){
+      circle(r=retain_rad + cutout_gap, $fn=20);
+      if (!gapping)
+       rotate(180 + retain_empir_angle/2)
+         translate([0, -retain_empir_stalkw])
+         square([100, retain_empir_stalkw*2]);
+    }
+  }
+}  
+
+module GappingSection(){
+  difference(){
+    InsertSection();
+    RetainCutout(true);
+  }
+  HandleSection();
+}
+
+module WithRetainSection(){
+  difference(){
+    union(){
+      InsertSection();
+      HandleSection();
+    }
+    RetainCutout();
+  }
+  RetainSection();
+}
+
+module BasicSection(){
+  InsertSection();
+  HandleSection();
+}
+
+module Handle(){
+  bs0 = retaining_len + overret_gaplen;
+  bs1 = bs0 + overret_hch;
+  linear_extrude(height=total_len, convexity=100) GappingSection();
+  linear_extrude(height=retaining_len, convexity=100) WithRetainSection();
+  translate([0,0, bs1]) linear_extrude(height= total_len - bs1)
+    BasicSection();
+  translate([0,0, bs1+0.1]) mirror([0,0,1]) {
+    intersection_for (sl=[0,1]) {
+      multmatrix([[1,0,0,0],
+                 [0,1,sl*0.65,0],
+                 [0,0,1,0],
+                 [0,0,0,1]])
+       linear_extrude(height= overret_gaplen+1, convexity=100)
+       BasicSection();
+    }
+  }
+}
+
+module Demo(){
+  color("red") translate([0,0,-3]) BasicSection();
+  color("blue") translate([0,0,3]) WithRetainSection();
+}
+
+module Test(){
+  linear_extrude(height=2) {
+    WithRetainSection();
+    translate([0, -handle_y0 + topprotr_y + 10])
+      BasicSection();
+  }
 }
 
-InsertSection();
-HandleSection();
+//Demo();
+//HandleSection();
+//InsertSection();
+//WithRetainSection();
+//BasicSection();
+//GappingSection();
+//Test();
+Demo();
+//Handle();