chiark / gitweb /
Revert "Revert "poster-tube-lid: drop StrapHoop from Cover""
[reprap-play.git] / 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 post_height = 50;
17 orifice_dia = 22.1 + 0.3;
18 post_thick = 8;
19
20 stretcher_thick = 5;
21 stretcher_width = 8;
22
23 antifoot_back = antifoot_depth + antifoot_height/antifoot_slope;
24 post_rad = orifice_dia/2 + post_thick;
25
26 module AntiFoot(){
27   translate([-antifoot_front-antifoot_back, antifoot_width/2, 0])
28     rotate([90,0,0])
29     translate([antifoot_front, antifoot_base, 0])
30     linear_extrude(height=antifoot_width)
31     polygon([[-antifoot_front, -antifoot_base],
32            [-antifoot_front,  antifoot_height],
33            [0,               antifoot_height],
34            [0,               0],
35            [antifoot_depth,  0],
36            [antifoot_back, antifoot_height],
37            [antifoot_back, -antifoot_base]]);
38   translate([-antifoot_back, 0, 0])
39     cube([stretcher_width, whole_width*0.55, stretcher_width]);
40 }
41
42 module LeftLeg(){
43   effective_depth = whole_depth - antifoot_back;
44   translate([-effective_depth, -whole_width/2, 0])
45     AntiFoot();
46   hull(){
47     translate([-effective_depth-leg_width/2, -whole_width/2, 0])
48       cylinder(r=leg_width/2, h=antifoot_base);
49     cylinder(r=leg_width/2, h=post_height);
50   }
51 }
52
53 module RightLeg(){
54   mirror([0,1,0]) LeftLeg();
55 }
56
57 module Post(){
58   cylinder(h=post_height, r=post_rad, $fn=70);
59 }
60
61 module Stand(){
62   difference(){
63     union(){
64       LeftLeg();
65       RightLeg();
66       Post();
67     }
68     translate([0,0,-1]) cylinder(h=post_height+2, r=orifice_dia/2);
69   }
70 }
71
72 Stand();