808-lens-holder-servo.scad

   1 infty = 100;
   2 eps = 0.01;
   3
   4 wall = 1.5;
   5
   6 lens_size = 9.2;
   7 lens_depth = 3;
   8 lens_side = 0.9;
   9 lens_angle = -10;
  10
  11 cable_w = 7;
  12
  13 servo_hole = 5.2;
  14 servo_base_w = lens_size + 2*wall;
  15 servo_base_l = 15 + servo_base_w/2;
  16 servo_base_h = 2*wall;
  17
  18 rotate([lens_angle, 0, 0]) difference() {
  19         translate([-lens_size/2-wall, 0, 0])
  20                 cube([lens_size+2*wall, 2*wall+lens_depth, wall+lens_size]);
  21         // bottom
  22         rotate([-lens_angle, 0, 0]) translate([-infty/2, -infty/2, -infty]) cube(infty);
  23         // lens body
  24         translate([-lens_size/2, wall, wall+(wall+lens_depth)*tan(-lens_angle)])
  25                 cube([lens_size, lens_depth, lens_size + eps]);
  26         // lens front
  27         translate([-lens_size/2+lens_side, wall, wall+(wall+lens_depth)*tan(-lens_angle)])
  28                 cube([lens_size-2*lens_side, lens_depth+wall+eps, lens_size + wall + 2*eps]);
  29         // cable hole
  30         translate([-cable_w/2, wall, -eps])
  31                 cube([cable_w, lens_depth+wall+eps, lens_size+wall+2*eps]);
  32
  33 }
  34
  35 difference() {
  36         hull() {
  37                 translate([-servo_base_w/2, -servo_base_l+servo_base_w/2, 0])
  38                         cube([servo_base_w, servo_base_l-servo_base_w/2+wall+eps, servo_base_h]);
  39                 translate([0, -servo_base_l+servo_base_w/2, 0])
  40                         cylinder(r = servo_base_w/2, h = servo_base_h);
  41         }
  42
  43         translate([0, -servo_base_l+servo_base_w/2, -eps])
  44                 cylinder(r = servo_hole/2, h = servo_base_h + 2*eps);
  45 }