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 + [ bpp1[1] - bpp0[1] ], bpp[0] ];
  25 lppC = bpp3 + [ 0, -recess_gap_end ];
  26
  27 bpp8 = bpp0 + [ -battery_len,0 ];
  28 bpp5 = [ bpp8[0] - smallwall_th, bpp4[0] ];
  29 bpp9 = [ bpp0[0], bpp[1] - battery_wdth/2 - 1.0 ];
  30 bpp7 = [ bpp8[0], bpp9[1] ];
  31 bpp6 = [ bpp5[0], bpp9[1] ];
  32 lppE = [ lppA[0], bpp9[1] ];
  33 lppD = [ lppC[0], bpp9[1] ];
  34
  35 module BaseHalfPlan(){
  36   polygon([ bpp0,
  37             bpp1,
  38             bpp2,
  39             bpp3,
  40             bpp4,
  41             bpp5,
  42             bpp6,
  43             bpp7,
  44             bpp8
  45             ]);
  46 }
  47
  48 module LidHalfPlan(){
  49   polygon([ lppA,
  50             lppE,
  51             lppD,
  52             lppC,
  53             lppB
  54             ]);
  55 }
  56
  57 module PlanDemo(){
  58   color("blue") BaseHalfPlan();
  59   color("red") LidHalfPlan();
  60 }
  61
  62 PlanDemo();