startech-dell-usb-cable-retainer.scad

   1 // -*- C -*-
   2
   3 include <utils.scad>
   4
   5 body_depth = 40.15 + 4;
   6 body_height = 16.78 + 0.75;
   7
   8 back_round_depth = 2.0;
   9 back_round_rad = 8.0;
  10 back_above_height = 3.0;
  11 back_thick = 3.0;
  12
  13 conn_thick = 6.42 + 2.0;
  14 wire_thick = 6.00 + 0.75;
  15 total_depth = 63.82;
  16
  17 body_front_overlap = 3;
  18
  19 prong_higher = 1.5;
  20 prong_depth = 5.0;
  21 prong_width = 2.0;
  22
  23 base_thick = 3;
  24
  25 // calculated
  26
  27 epp0 = [ 0, -body_height/2 ];
  28 epp1 = [ 0, -conn_thick/2 ];
  29 epp2 = epp1 + [ -body_front_overlap, 0 ];
  30 epp3 = [ +body_depth -total_depth, epp2[1] ];
  31 epp4 = [ epp3[0], +conn_thick/2 +prong_higher ];
  32 epp5 = epp4 + [ -prong_depth, 0 ];
  33 epp6 = [ epp5[0], epp0[1] -base_thick ];
  34 epp7 = [ epp2[0], epp6[1] ];
  35 epp12 = [ +body_depth +back_round_rad, 0 ];
  36 epp11 = [ +body_depth +back_round_depth, epp0[1] ];
  37 epp10 = [ epp11[0], +back_above_height ];
  38 epp9 = epp10 + [ +back_thick, 0 ];
  39 epp8 = [ epp9[0], epp7[1] ];
  40
  41 module MainElevation(){
  42   polygon([epp0,
  43            epp1,
  44            epp3,
  45            epp4,
  46            epp5,
  47            epp6,
  48            epp8,
  49            epp9,
  50            epp10,
  51            epp11
  52            ]);
  53   intersection(){
  54     translate(epp12) circle(r= back_round_rad);
  55     rectfromto(epp8,
  56                epp10 + [-back_round_rad, 0]);
  57   }
  58 }
  59
  60 MainElevation();