198d218053662aef21e4d85acf4265343ddbd34f
2 // GNU AGPLv3 (or later at your option)
3 // project available at these locations:
4 // https://gitorious.org/ozzloy/challenge-bot
5 // https://github.com/waynegramlich/challenge-bot
9 material_width
= (1/8) * mm_per_inch
;
11 board_length
= 1.75 * mm_per_inch
;
12 board_width
= 1.5 * mm_per_inch
;
13 board_depth
= (3/16) * mm_per_inch
;
14 tab_length
= 3 * mm_per_inch
;
15 tab_width
= (1/4) * mm_per_inch
;
18 rotate(a
= 90, v
= [1, 0, 0]) {
19 cube([board_length
+ material_width
,
20 1.75 * mm_per_inch
+ material_width
,
23 translate(v
= [0, -material_width
, 0]){
24 rotate(a
= -90, v
= [0, 1, 0]) {
25 cube( [1.75 * mm_per_inch
+ material_width
,
26 1.5 * mm_per_inch
+ 2 * material_width
,
29 translate(v
= [(1.75*mm_per_inch
+ material_width
)/2 + tab_width
,
31 rotate(a
= 90, v
= [0 ,0 ,1 ]){
32 cube([3*mm_per_inch
, 0.5*mm_per_inch
, material_width
]);}}
34 translate(v
= [-tab_length
,
35 (1.5*mm_per_inch
+ material_width
)/2 - tab_width
,
37 cube([3*mm_per_inch
, 0.5*mm_per_inch
, material_width
]);}
39 translate(v
= [(1.75*mm_per_inch
+ material_width
)/2 + tab_width
,
42 rotate(a
= 90, v
= [0, 0, 1]){
43 cube([3*mm_per_inch
, 0.5*mm_per_inch
, material_width
]);}}
45 translate(v
= [(1.75*mm_per_inch
),
46 (1.5*mm_per_inch
+material_width
)/2 - tab_width
,
48 cube([3*mm_per_inch
, 0.5*mm_per_inch
, material_width
]);}}
50 _4_40
= 0.1285*mm_per_inch
/2; // size
of hole
for 4x40
51 _6_32
= 0.1495*mm_per_inch
/2; // size
of hole
for 6x32
54 cylinder(h
= board_depth
, r
= 2*_6_32
, $fn
=20);}
57 cylinder(h
= board_depth
, r
= _6_32
, $fn
=20);}
59 module
mounting_screw_hole(){
60 cylinder(h
= board_depth
, r
= _6_32
, $fn
=20);}
62 module
bracket_screw_hole(){
63 cylinder(h
= board_depth
, r
= _6_32
, $fn
=20);}
65 module
wheel_motor_holes(scale
){
66 translate([ 51-26.78,38-10.8, 0] * scale
) {
68 translate([ 51-26.78,38-22.23, 0] * scale
){
70 translate([51-18.05-17.45,38-30.81, 0] * scale
){
71 mounting_screw_hole();}
72 translate([51-18.05,38-30.81, 0] * scale
){
73 mounting_screw_hole();}
74 translate([7.5,8.5, 0] * scale
){
75 bracket_screw_hole();}
76 translate([7.5,21+8.5, 0] * scale
){
77 bracket_screw_hole();}}
79 module
wheel_mount(scale
){
81 cube(scale
* [board_length
+ material_width
,
82 board_width
+ material_width
,
84 wheel_motor_holes(scale
);}}
88 translate(v
= [0, 0, board_length
]) jig_lid();
93 translate(v
= [0, -2.1 * material_width
, material_width
]){
94 cube([board_length
+ material_width
,
97 translate(v
= [0, -2.1 * material_width
, 0]){
98 cube([board_length
+ material_width
, material_width
, material_width
]);}
99 translate(v
= [-2.1 * material_width
, 0, material_width
]){
100 cube([3.1 * material_width
,
101 board_width
+ material_width
,
103 translate(v
= [-2.1 * material_width
, 0, 0]){
104 cube([material_width
, board_width
+material_width
, material_width
]);}}}