mic-camera-adapter.scad

   1 // -*- C -*-
   2
   3 // print on High Detail
   4 // but adjust infill to 50%, shell thickness to 2mm
   5
   6 include <threads.scad>
   7 include <camera-mount.scad>
   8
   9 positive_dia = inch * 3/8. - 0.375;
  10 positive_l = inch * 1/2.;
  11
  12 negative_l = negative_default_l;
  13
  14 negative_wall = 4;
  15 midsection = 4;
  16
  17 spanner = 12;
  18
  19 base_dia = 35;
  20 base_th_min = 1;
  21 base_th_max = 4;
  22
  23 //$test = true;
  24 $test = false;
  25 $fs=0.1;
  26 $fa=5;
  27
  28 module Adapter(){
  29   translate([0,0,-0.1])
  30     english_thread(diameter=positive_dia/inch, threads_per_inch=16,
  31                    leadin=1, test=$test,
  32                    length= (positive_l + 0.1) / inch);
  33   rotate([180,0,0]) {
  34     difference(){
  35       union(){
  36         cylinder(r= spanner/2 * 1/(0.5 * sqrt(3)),
  37                  h = negative_l + midsection,
  38                  $fn=6);
  39         translate([0,0, midsection+negative_l]) {
  40           mirror([0,0,1]) {
  41             hull(){
  42               cylinder(r= base_dia/2, h = base_th_min);
  43               cylinder(r= 0.1,        h = base_th_max);
  44             }
  45           }
  46         }
  47       }
  48       translate([0,0, midsection + negative_l])
  49         CameraMountThread(negative_l);
  50     }
  51   }
  52 }
  53
  54 Adapter();