flyscreen-handle.scad

   1 // -*- C -*-
   2
   3 opening_height = 7.84;
   4 opening_depth = 7.88;
   5 openingcnr_dia = 2.75;
   6 opening_topprotr = 1.54;
   7
   8 gap = 0.25;
   9
  10 bot_overlap = 5;
  11 bot_w = 3;
  12
  13 // calculated
  14
  15 ins_irad = openingcnr_dia/2 + gap;
  16 ins_orad = openingcnr_dia/2 + opening_height - gap;
  17 ins_th = ins_orad - ins_irad;
  18
  19 module InsertSection(){
  20   translate([-ins_orad, 0]) square([ins_th, opening_topprotr]);
  21   translate([0, -ins_orad]) square([ins_irad+1, ins_th]);
  22   translate([ins_irad, -ins_orad-bot_overlap])
  23     square([bot_w, bot_overlap + ins_th]);
  24   intersection(){
  25     translate([0.1,0.1]) mirror([1,1]) square([100,100]);
  26     difference(){
  27       circle(r= ins_orad);
  28       circle(r= ins_irad, $fn=10);
  29     }
  30   }
  31 }
  32
  33 InsertSection();