tablet-stand.scad

   1 // -*- C -*-
   2
   3 whole_depth = 90;
   4 whole_width = 120;
   5
   6 antifoot_width = 15;
   7 antifoot_height = 15;
   8 antifoot_slope = 1.0;
   9 antifoot_depth = 10;
  10 antifoot_base = 12;
  11 antifoot_front = 5;
  12
  13 leg_width = 8;
  14 leg_thick = 8;
  15
  16 stretcher_thick = 5;
  17 stretcher_width = 8;
  18
  19 antifoot_back = antifoot_depth + antifoot_height/antifoot_slope;
  20
  21 module AntiFoot(){
  22   translate([-antifoot_front-antifoot_back, antifoot_width/2, 0])
  23     rotate([90,0,0])
  24     translate([antifoot_front, antifoot_base, 0])
  25     linear_extrude(height=antifoot_width)
  26     polygon([[-antifoot_front, -antifoot_base],
  27            [-antifoot_front,  antifoot_height],
  28            [0,               antifoot_height],
  29            [0,               0],
  30            [antifoot_depth,  0],
  31            [antifoot_back, antifoot_height],
  32            [antifoot_back, -antifoot_base]]);
  33   translate([-antifoot_back, 0, 0])
  34     cube([stretcher_width, whole_width*0.55, stretcher_width]);
  35 }
  36
  37 module LeftLeg(){
  38   effective_depth = whole_depth - antifoot_back;
  39   translate([-effective_depth, -whole_width/2, 0])
  40     AntiFoot();
  41   multmatrix([[1,0,0,0],
  42               [-((whole_width - leg_width)/2 / effective_depth), 1,0,0],
  43               [0,0,1,0],
  44               [0,0,0,1]])
  45     mirror([1,0,0])
  46     cube([effective_depth, leg_width, leg_thick]);
  47 }
  48
  49 module RightLeg(){
  50   mirror([0,1,0]) LeftLeg();
  51 }
  52
  53 module Stand(){
  54   LeftLeg();
  55   RightLeg();
  56 }
  57
  58 Stand();