| 3905 |
kaklik |
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pedestal_height = 13; // designed for use the MLAB standard 12mm screws. |
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mount_hole = 3.5; |
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clear = 0.175; |
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nut_size = 6.6; |
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MLAB_grid_xoffset = 7.36; |
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MLAB_grid_yoffset = 5.61; |
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MLAB_grid = 10.16; |
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ODROID_holes_offset = 5.25; |
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ODROID_holes_xdistance = 86; |
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ODROID_holes_ydistance = 82; |
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difference () { |
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cube([85,56,pedestal_height]); // base plastics brick |
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//mount holes for Raspberry Pi model A/B |
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translate ([ODROID_holes_offset, ODROID_holes_offset,0]) |
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cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
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translate ([ODROID_holes_offset, ODROID_holes_offset, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
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cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
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translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset, 0]) |
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cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
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translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
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cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
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///////////////////////////////////////// |
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// holes for components at the bottom side of the PCB. |
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translate ([15.5, 84 , pedestal_height - 3]) // IO connector |
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cube([64, 6, 5]); |
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translate ([3, 9, pedestal_height - 3.5]) // USB connector |
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cube([18,33,5]); |
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translate ([9, 2.1 , pedestal_height - 3.5]) // HOLE for ODROD's USB and Ethernet connectors |
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cube([73,27,5]); |
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translate ([66, 0 , pedestal_height - 3.5]) // HOLE for ODROD's Passive components and power wires to MLAB UNIPOWER module. |
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cube([20,79,5]); |
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translate ([0, 54 , pedestal_height - 3]) // Jack connectors |
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cube([30,28,5]); |
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translate ([22, 43 , pedestal_height - 3.5]) // eMMc Card |
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cube([27,18,5]); |
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//////////////////////////////////////// |
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// MLAB grid holes |
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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] ]; |
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for (j = grid_list) { |
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translate (concat(j, [0])) |
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cylinder (h = 3, r= (nut_size+clear)/2, $fn=6); |
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translate (concat(j, [3.2])) // one solid layer for slicer (the holes will be pierced on demand ) |
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cylinder (h = pedestal_height /3, r= mount_hole/2, $fn=10); |
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translate (concat(j, [6.0])) |
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cylinder (h = 10, r= nut_size/2, $fn=6); |
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} |
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//// lightening central holes |
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translate ([12.5,10, 0]) |
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cube([71,22,pedestal_height ]); |
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translate ([12.5,42, 0]) |
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cube([71,40,pedestal_height ]); |
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} |
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78 |
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