simplephone-case.scad

   1 // -*- C -*-
   2
   3 psz = [
   4        120,
   5        56 + 5,
   6        15 + 3,
   7        ];
   8
   9 thick = [
  10          2,
  11          2,
  12          2.5,
  13          ];
  14
  15 btn_x = 58;
  16 btn_dia = 13;
  17 btn_yprop = 0.23;
  18
  19 abtn_x = 45;
  20 abtn_sz = [ 11, 13 ];
  21
  22 screen_xbot = 67;
  23 screen_sz = [ 45, 46 ];
  24
  25 thumb_xbot = 90;
  26 thumb_dia = 25;
  27
  28 rail_ysz = 2.5;
  29 rail_zsz = 2.5;
  30
  31 case_x_less = 0; //case_x_less = 10;
  32
  33 inner_cnr_rad = 3.0;
  34
  35 // calculated
  36
  37 ym = psz[1]/2;
  38 outer_cnr_rad = inner_cnr_rad + thick[2];
  39
  40 module RoundedProfile(sz, cnr_rad){
  41   hull(){
  42     for (x=[ cnr_rad, sz[0]-cnr_rad ])
  43       for (y=[ cnr_rad, sz[1]-cnr_rad ])
  44         translate([x,y])
  45           circle(r= cnr_rad, $fn=20);
  46   }
  47 }
  48
  49 module RoundedCube(sz, cnr_rad){
  50   hull(){
  51     for (x=[ cnr_rad, sz[0]-cnr_rad ])
  52       for (y=[ cnr_rad, sz[1]-cnr_rad ])
  53         for (z=[ cnr_rad, sz[2]-cnr_rad ])
  54           translate([x,y,z])
  55             sphere(r= cnr_rad, $fn=20);
  56   }
  57 }
  58
  59 module Case(){
  60   difference(){
  61     mirror([1,0,0])
  62       translate(-thick)
  63       RoundedCube(psz
  64                   + 2*thick
  65                   - [1,0,0] * (thick[0])
  66                   - [case_x_less, 0, 0],
  67                   outer_cnr_rad);
  68
  69     for (yp= [ btn_yprop, 1-btn_yprop ])
  70       translate([ -btn_x,
  71                   yp * psz[1],
  72                   0.5 * psz[2] ])
  73         cylinder(r= btn_dia/2, h=20);
  74
  75     translate([ -abtn_x,
  76                 btn_yprop * psz[1],
  77                 psz[2] ])
  78       cube(concat(abtn_sz, [ thick[2]*3 ]), center=true);
  79
  80     mirror([1,0,0])
  81       translate([ screen_xbot,
  82                   (psz[1] - screen_sz[1])/2,
  83                   psz[2]-1 ])
  84       cube(concat(screen_sz, [ thick[2]+2 ]));
  85
  86     hull(){
  87       for (x=[ thumb_xbot+thumb_dia/2, psz[0]+10 ])
  88         translate([ -x,
  89                     ym,
  90                     -thick[2]-1 ])
  91           cylinder(r= thumb_dia/2,
  92                    h= thick[2] + 2,
  93                    $fn= 20);
  94     }
  95
  96     //translate([ thick[0] -
  97     //cube([
  98
  99     mirror([1,0,0])
 100       difference(){
 101         RoundedCube(psz + [1,0,0],
 102                     inner_cnr_rad);
 103
 104         if (0) for (m=[0,1]) {
 105           translate([0,ym,0]) mirror([0,m,0]) translate([0,-ym,0])
 106             translate([-1,-1, psz[2]-rail_zsz])
 107             cube([psz[0]+1, rail_ysz+1, rail_zsz+1]);
 108         }
 109       }
 110   }
 111 }
 112
 113 Case();
 114 //RoundedCube(psz, inner_cnr_rad);