X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=flyscreen-handle.scad;h=68b2a2f364aad2f711282aa661bd6eea41ec2ccd;hb=477b98fe70fb2689e4bdb378b4dede757e892461;hp=ecc5ff833ea6be0ec8e1ea11675598555685f6e5;hpb=0132c3dc3964d4b3cb547691a60e3f408b3f3717;p=reprap-play.git

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index ecc5ff8..68b2a2f 100644
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -1,6 +1,6 @@
 // -*- C -*-
 
-opening_height = 7.84;
+opening_height = 7.84 - 0.3;
 opening_depth = 7.88;
 openingcnr_dia = 2.75;
 opening_topprotr = 1.54;
@@ -8,8 +8,9 @@ opening_topprotr = 1.54;
 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;
 
@@ -23,6 +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;
@@ -82,21 +89,31 @@ 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)
-	translate([0, -retain_empir_stalkw])
-	square([100, retain_empir_stalkw*2]);
+      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(){
     InsertSection();
@@ -111,6 +128,25 @@ module BasicSection(){
   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();
@@ -126,5 +162,7 @@ module Test(){
 
 //Demo();
 //WithRetainSection();
-BasicSection();
+//BasicSection();
+//GappingSection();
 //Test();
+Handle();