chiark / gitweb /
flyscreen-handle: for v3 test
[reprap-play.git] / flyscreen-handle.scad
index 26fa92c2f2720f198248c708c044f5844959d32a..4fbca30688da7c7474025d15af614a7178768d6e 100644 (file)
@@ -1,15 +1,18 @@
 // -*- C -*-
 
-opening_height = 7.84;
+opening_height = 7.84 - 0.3;
 opening_depth = 7.88;
 openingcnr_dia = 2.75;
-opening_topprotr = 1.54;
+opening_topprotr = 1.54 - 0.65;
 
 gap = 0.25;
 
 retain_empir_angle = 20;
-retain_empir_stalkw = 1.0;
-retain_rad = 1.5;
+retain_empir_stalkw = 0.8;
+retain_rad = 1.65;
+retain_empir_inward = 0.65;
+
+topprotr_rad = 0.35;
 
 bot_overlap = 5;
 bot_w = 3;
@@ -21,6 +24,12 @@ 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;
@@ -35,7 +44,12 @@ 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]);
@@ -75,23 +89,80 @@ module HandleSection(){
 
 module RetainSection(){
   rotate(180-retain_empir_angle)
-    translate([0,ins_orad]) circle(r=retain_rad, $fn=20);
+    translate([0, ins_orad - retain_empir_inward])
+    circle(r=retain_rad, $fn=20);
 }
 
-module RetainCutout(){
+module RetainCutout(gapping=false){
   rotate(180-retain_empir_angle)
-    translate([0,ins_orad]) {
+    translate([0, ins_orad - retain_empir_inward]) {
     difference(){
       circle(r=retain_rad + cutout_gap, $fn=20);
-      rotate(180 + retain_empir_angle/2)
-       square([100, retain_empir_stalkw]);
+      if (!gapping)
+       rotate(180 + retain_empir_angle/2)
+         translate([0, -retain_empir_stalkw])
+         square([100, retain_empir_stalkw*2]);
     }
   }
 }  
 
-difference(){
+module GappingSection(){
+  difference(){
+    InsertSection();
+    RetainCutout(true);
+  }
+  HandleSection();
+}
+
+module WithRetainSection(){
+  difference(){
+    InsertSection();
+    RetainCutout();
+  }
+  HandleSection();
+  RetainSection();
+}
+
+module BasicSection(){
   InsertSection();
-  RetainCutout();
+  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(){
+  difference(){
+    InsertSection();
+    RetainCutout();
+  }
+  HandleSection();
+  color("red") RetainSection();
 }
-HandleSection();
-color("red") RetainSection();
+
+module Test(){
+  linear_extrude(height=2) WithRetainSection();
+}
+
+//Demo();
+//WithRetainSection();
+//BasicSection();
+//GappingSection();
+Test();
+//Handle();