laptop-camera-tripod-bracket.scad

   1 // -*- C -*-
   2
   3 laptop_w       = 310;
   4 laptop_th_rear  = 14;
   5 laptop_th_front = 11;
   6 laptop_halfdepth_real = 125;
   7 laptop_halfdepth = 115; //125;
   8 laptop_inner_x_clear = 95;
   9
  10 include <utils.scad>
  11 include <camera-mount.scad>
  12
  13 bar_w = 20;
  14 bar_th = 10;
  15 flex_allow = 3;
  16 claw_th = 5;
  17 claw_overlap = 10;
  18 mount_dia = 50;
  19
  20 min_ceil = 1;
  21
  22 //$test=true;
  23 $test=false;
  24
  25 module ClawProfile(laptop_th){
  26   laptop_zmin = bar_th + flex_allow;
  27   laptop_zmax = laptop_zmin + laptop_th;
  28   difference(){
  29     rectfromto([-claw_overlap, 0],
  30                [claw_th, laptop_zmax + claw_th]);
  31     rectfromto([-claw_overlap-1, laptop_zmin ],
  32                [ 0, laptop_zmax ]);
  33   }
  34 }
  35
  36 module ClawBar(inner_len, laptop_th){
  37   rotate([0,0,180]) linextr_y_xz(-bar_w/2, +bar_w/2) {
  38     rectfromto([0,0],
  39                [inner_len, bar_th]);
  40     translate([inner_len, 0])
  41       ClawProfile(laptop_th);
  42   }
  43 }
  44
  45 module Body(){
  46   translate([0, laptop_halfdepth - laptop_halfdepth_real, 0])
  47     for (m=[0,1]) {
  48       mirror([m,0]) {
  49         ClawBar(laptop_w/2, laptop_th_rear);
  50         translate([ laptop_w/2 - laptop_inner_x_clear + bar_w/2, 0])
  51           rotate([0,0,-90])
  52           ClawBar(laptop_halfdepth, laptop_th_front);
  53       }
  54     }
  55   cylinder(r = mount_dia/2, h= bar_th);
  56 }
  57
  58 module Bracket(){
  59   difference(){
  60     Body();
  61     rotate([0,180,0])
  62       CameraMountThread( bar_th + 2 );
  63   }
  64   translate([0,0, bar_th-min_ceil])
  65     cylinder(r= mount_dia/2-1, h=min_ceil);
  66 }
  67
  68 //ClawProfile(laptop_th_front);
  69 //ClawBar(125, laptop_th_front);
  70 //Body();
  71 Bracket();