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 handle_d = 2;
  14 handle_w = 8;
  15 handle_rh = 2;
  16
  17 // calculated
  18
  19 ins_irad = openingcnr_dia/2 + gap;
  20 ins_orad = openingcnr_dia/2 + opening_height - gap;
  21 ins_th = ins_orad - ins_irad;
  22
  23 handle_h = bot_overlap + ins_th;
  24 handle_y0 = -ins_orad-bot_overlap;
  25
  26 module InsertSection(){
  27   translate([-ins_orad, 0]) square([ins_th, opening_topprotr]);
  28   translate([0, -ins_orad]) square([ins_irad+1, ins_th]);
  29   intersection(){
  30     translate([0.1,0.1]) mirror([1,1]) square([100,100]);
  31     difference(){
  32       circle(r= ins_orad);
  33       circle(r= ins_irad, $fn=10);
  34     }
  35   }
  36 }
  37
  38 module HandleSection(){
  39   hull(){
  40     translate([ins_irad, handle_y0])
  41       square([bot_w, handle_h]);
  42   }
  43 }
  44
  45 InsertSection();
  46 HandleSection();