Rev Author Line No. Line
3905 kaklik 1  
2 pedestal_height = 13; // designed for use the MLAB standard 12mm screws.
3 mount_hole = 3.5;
4 clear = 0.175;
5 nut_size = 6.6;
6  
7 MLAB_grid_xoffset = 7.36;
8 MLAB_grid_yoffset = 5.61;
9 MLAB_grid = 10.16;
10  
11 ODROID_holes_offset = 5.25;
12 ODROID_holes_xdistance = 86;
13 ODROID_holes_ydistance = 82;
14  
15 difference () {
16 cube([85,56,pedestal_height]); // base plastics brick
17  
18 //mount holes for Raspberry Pi model A/B
19  
20 translate ([ODROID_holes_offset, ODROID_holes_offset,0])
21 cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
22 translate ([ODROID_holes_offset, ODROID_holes_offset, 6.2]) // one solid layer for slicer (the holes will be pierced on demand )
23 cylinder (h = pedestal_height, r= mount_hole/2, $fn=10);
24  
25 translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset, 0])
26 cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
27 translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset, 6.2]) // one solid layer for slicer (the holes will be pierced on demand )
28 cylinder (h = pedestal_height, r= mount_hole/2, $fn=10);
29  
30  
31 /////////////////////////////////////////
32 // holes for components at the bottom side of the PCB.
33  
34 translate ([15.5, 84 , pedestal_height - 3]) // IO connector
35 cube([64, 6, 5]);
36  
37 translate ([3, 9, pedestal_height - 3.5]) // USB connector
38 cube([18,33,5]);
39  
40  
41 translate ([9, 2.1 , pedestal_height - 3.5]) // HOLE for ODROD's USB and Ethernet connectors
42 cube([73,27,5]);
43  
44 translate ([66, 0 , pedestal_height - 3.5]) // HOLE for ODROD's Passive components and power wires to MLAB UNIPOWER module.
45 cube([20,79,5]);
46  
47 translate ([0, 54 , pedestal_height - 3]) // Jack connectors
48 cube([30,28,5]);
49  
50  
51 translate ([22, 43 , pedestal_height - 3.5]) // eMMc Card
52 cube([27,18,5]);
53  
54 ////////////////////////////////////////
55  
56 // MLAB grid holes
57 grid_list = [for (j = [MLAB_grid_xoffset : MLAB_grid: 90], i = [MLAB_grid_yoffset :MLAB_grid: 95]) if (!(j>80 && i>80) && !(j<10 && i<10) && !(j<10 && i>80) && !(j>80 && i<10) ) [j, i] ];
58 for (j = grid_list) {
59 translate (concat(j, [0]))
60 cylinder (h = 3, r= (nut_size+clear)/2, $fn=6);
61 translate (concat(j, [3.2])) // one solid layer for slicer (the holes will be pierced on demand )
62 cylinder (h = pedestal_height /3, r= mount_hole/2, $fn=10);
63 translate (concat(j, [6.0]))
64 cylinder (h = 10, r= nut_size/2, $fn=6);
65 }
66  
67  
68 //// lightening central holes
69  
70 translate ([12.5,10, 0])
71 cube([71,22,pedestal_height ]);
72  
73 translate ([12.5,42, 0])
74 cube([71,40,pedestal_height ]);
75  
76 }
77  
78