fairphone-battery-case.scad

   1 // -*- C -*-
   2
   3 mainwall_th = 2.5;
   4 smallwall_th = 1.5;
   5
   6 seal_th = 0.3 + 0.6; // total gap for seal etc.
   7 behind_recess = 1.0;
   8
   9 recess_gap_end = 0.2;
  10
  11 lid_edge_th = 0.5;
  12
  13 battery_len = 66.55 + 0.75;
  14 battery_th = 6.55 + 0.75;
  15 battery_wdth = 44.38 + 0.75;
  16
  17 // calculated
  18
  19 bpp0 = [0,0];
  20 bpp1 = bpp0 + [ 0, mainwall_th - behind_recess ];
  21 lppA = bpp1 + [ seal_th, -recess_gap_end ];
  22 lppB = lppA + [ lid_edge_th, 0 ];
  23 bpp2 = [ lppB[0], bpp1[0] ];
  24 bpp3 = [ bpp2[0] + (bpp1 - bpp0)[1], bpp0[1] ];
  25 bpp4 = [ bpp3[0], bpp0[1] + mainwall_th ];
  26 lppC = bpp3 + [ 0, -recess_gap_end ];
  27
  28 echo(
  29      bpp0,
  30      bpp1,
  31      bpp2,
  32      bpp3,
  33      bpp4,
  34      bpp5,
  35      bpp6,
  36      bpp7,
  37      bpp8
  38 );
  39
  40 echo(
  41      lppA,
  42      lppB,
  43      lppC,
  44      lppD,
  45      lppE
  46 );
  47
  48 bpp8 = bpp0 + [ -battery_len,0 ];
  49 bpp5 = [ bpp8[0] - smallwall_th, bpp4[0] ];
  50 bpp9 = [ bpp0[0], bpp0[1] - battery_wdth/2 - 1.0 ];
  51 bpp7 = [ bpp8[0], bpp9[1] ];
  52 bpp6 = [ bpp5[0], bpp9[1] ];
  53 lppE = [ lppA[0], bpp9[1] ];
  54 lppD = [ lppC[0], bpp9[1] ];
  55
  56 module BaseHalfPlan(){
  57   polygon([ bpp0,
  58             bpp1,
  59             bpp2,
  60             bpp3,
  61             bpp4,
  62             bpp5,
  63             bpp6,
  64             bpp7,
  65             bpp8
  66             ]);
  67 }
  68
  69 module LidHalfPlan(){
  70   polygon([ lppA,
  71             lppE,
  72             lppD,
  73             lppC,
  74             lppB
  75             ]);
  76 }
  77
  78 module PlanDemo(){
  79   color("blue") BaseHalfPlan();
  80   color("red") LidHalfPlan();
  81 }
  82
  83 PlanDemo();