X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=flyscreen-handle.scad;h=3f32c9f5a9c52019d9b2c6e60e7ab32c09b796eb;hb=32b32c0f6432749938dd48e9a605921ff211070a;hp=6afe0bcfa18c94c0e47a94f4fb2b0d4c66f4c972;hpb=fbb550563e362b360334843b2f04f21c8e84cdd0;p=reprap-play.git

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index 6afe0bc..3f32c9f 100644
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -2,23 +2,43 @@
 
 opening_height = 7.84;
 opening_depth = 7.88;
-openingcnr_dia = 1.34;
+openingedge_dia = 1.34;
 opening_protrh = 1.8;
 
 pivot_x = 6;
+inside_len = 4;
 
 pivoting_gap = 1;
 
+outside_gap = 3;
+outside_len = 16;
+outend_height = 3;
+
+ourcirc_r = 0.5 / 2;
+
+opening_protr_slop = 0.1;
+
+intooth_top_slop = 0.1;
+inside_h_xgap = 1;
+
 // calculated
 
-Q0 = [ openingcnr_dia/2,
-       openingcnr_dia/2 + opening_height/2 ];
+inside_h = opening_height/2 - opening_protrh - inside_h_xgap/2;
+
+Q0 = [ openingedge_dia/2,
+       openingedge_dia/2 + opening_height/2 ];
 
 P0 = [ pivot_x, pivoting_gap ];
-//P4 = [ 
+P4 = Q0 + [ -(openingedge_dia/2 + opening_protr_slop + ourcirc_r), 0 ];
+P3 = [ P4[0], Q0[1] - openingedge_dia/2 + opening_protrh
+       - intooth_top_slop - ourcirc_r ];
+P2 = P4 + [ -(inside_len - ourcirc_r*2), 0 ];
+P1 = [ P2[0], P3[1] - (inside_h + ourcirc_r*2) ];
+P9 = [ outside_len - ourcirc_r, outside_gap/2 + ourcirc_r ];
+P8 = P9 + [ 0, outend_height - ourcirc_r*2 ];
 
 module ExtrusionSect(){
-  cr = openingcnr_dia/2;
+  cr = openingedge_dia/2;
   toph = opening_height/2 + opening_protrh;
 
   for (my=[0,1]) {
@@ -40,8 +60,27 @@ module ExtrusionSect(){
   }
 }
 
+module PsHull(ps) {
+  hull(){
+    for (p = ps) {
+      translate(p)
+	circle(r = ourcirc_r, $fn=10);
+    }
+  }
+}
+
 module LeverSect(){
-  
+  PsHull([P2,P3,P4]);
+  //PsHull([P5,P6,P7]);
+  difference(){
+    PsHull([P0,P1,P2,//P5
+	    ,P8,P9]);
+  }
+}
+
+module Demo(){
+  color("white") ExtrusionSect();
+  LeverSect();
 }
 
-ExtrusionSect();
+Demo();