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pedestal_height = 13; // designed for use the MLAB standard 12mm screws. |
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pedestal_height = 13; // designed for use the MLAB standard 12mm screws. |
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x_size = 125; |
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x_size = 125; |
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y_size = 74; |
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y_size = 74; |
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mount_hole = 3.5; |
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mount_hole = 3.5; |
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nut_size = 6.8; |
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nut_size = 6.8; |
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clear = 0.175; |
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clear = 0.175; |
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MLAB_grid = 10.16; |
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MLAB_grid = 10.16; |
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x_holes = floor((x_size-4) / MLAB_grid); |
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x_holes = floor((x_size-4) / MLAB_grid); |
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y_holes = floor((y_size-3) / MLAB_grid); |
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y_holes = floor((y_size-3) / MLAB_grid); |
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MLAB_grid_xoffset = (x_size - (x_holes * MLAB_grid))/2; |
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MLAB_grid_xoffset = (x_size - (x_holes * MLAB_grid))/2; |
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MLAB_grid_yoffset = (y_size - (y_holes * MLAB_grid))/2; |
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MLAB_grid_yoffset = (y_size - (y_holes * MLAB_grid))/2; |
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ODROID_holes_offset = 5.25; |
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ODROID_holes_offset = 5.25; |
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ODROID_holes_xdistance = (117.6+110)/2; |
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ODROID_holes_xdistance = (117.7+110.5)/2; |
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ODROID_holes_ydistance = (67.4+59.7)/2; |
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ODROID_holes_ydistance = (67.4+59.7)/2; |
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difference () { |
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difference () { |
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cube([x_size, y_size ,pedestal_height]); // base plastics brick |
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cube([x_size, y_size ,pedestal_height]); // base plastics brick |
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//mount holes for Galileo |
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//mount holes for Galileo |
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translate ([ODROID_holes_offset, ODROID_holes_offset,0]) |
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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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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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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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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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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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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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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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cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
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translate ([ODROID_holes_offset, ODROID_holes_offset + ODROID_holes_ydistance,0]) |
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translate ([ODROID_holes_offset, ODROID_holes_offset + ODROID_holes_ydistance,0]) |
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cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
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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 + ODROID_holes_ydistance, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
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translate ([ODROID_holes_offset, ODROID_holes_offset + ODROID_holes_ydistance, 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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cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
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translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset + ODROID_holes_ydistance,0]) |
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translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset + ODROID_holes_ydistance,0]) |
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cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
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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 + ODROID_holes_ydistance, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
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translate ([ODROID_holes_offset + ODROID_holes_xdistance, ODROID_holes_offset + ODROID_holes_ydistance, 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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cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
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///////////////////////////////////////// |
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///////////////////////////////////////// |
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// holes for components at the bottom side of the PCB. |
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// holes for components at the bottom side of the PCB. |
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translate ([10, 2 , pedestal_height - 4]) |
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translate ([10, 2 , pedestal_height - 4]) |
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cube([x_size-21, y_size-5, 5]); |
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cube([x_size-21, y_size-5, 5]); |
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translate ([5, 10.5, pedestal_height - 4]) |
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translate ([5, 10.5, pedestal_height - 4]) |
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cube([x_size-9, y_size-21, 5]); |
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cube([x_size-9, y_size-21, 5]); |
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translate ([x_size - 5, 32 , pedestal_height - 4]) |
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translate ([x_size - 5, 32 , pedestal_height - 4]) // Hole for ICSP connector |
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cube([4,11, 5]); |
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cube([4,11, 5]); |
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translate ([96.5, y_size - 2.5 - 1, pedestal_height - 4]) // hole for capacitor at bottom side of the pcb |
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cube([5, 2, 5]); |
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//////////////////////////////////////// |
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//////////////////////////////////////// |
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// MLAB grid holes |
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// MLAB grid holes |
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grid_list = [for (j = [MLAB_grid_xoffset : MLAB_grid: x_size], i = [MLAB_grid_yoffset :MLAB_grid: y_size]) |
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grid_list = [for (j = [MLAB_grid_xoffset : MLAB_grid: x_size], i = [MLAB_grid_yoffset :MLAB_grid: y_size]) |
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if (!(j>(x_size-10) && i>(y_size-10)) && !(j<10 && i<10) && !(j<10 && i>(y_size-10)) && !(j>(x_size-10) && i<10) ) [j, i] ]; |
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if (!(j>(x_size-10) && i>(y_size-10)) && !(j<10 && i<10) && !(j<10 && i>(y_size-10)) && !(j>(x_size-10) && i<10) ) [j, i] ]; |
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for (j = grid_list) { |
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for (j = grid_list) { |
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translate (concat(j, [0])) |
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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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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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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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cylinder (h = pedestal_height /3, r= mount_hole/2, $fn=10); |
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translate (concat(j, [6.0])) |
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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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cylinder (h = 10, r= nut_size/2, $fn=6); |
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} |
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} |
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//// lightening central holes |
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//// lightening central holes |
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translate ([33,3, 0]) |
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translate ([33,3, 0]) |
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cube([49,y_size -3 -3,pedestal_height ]); |
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cube([49,y_size -3 -3,pedestal_height ]); |
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translate ([11,10, 0]) |
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translate ([12,11, 0]) |
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cube([x_size-22,y_size-20,pedestal_height ]); |
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cube([x_size-24,y_size-22,pedestal_height ]); |
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} |
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} |
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