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jacho |
1 |
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| 4316 |
kaklik |
2 |
x_holes = 3; |
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3 |
y_holes = 4; |
| 4313 |
jacho |
4 |
MLAB_grid = 10.16; |
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pile_radius = 4; |
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6 |
pedestal_height = 15; // designed for use the MLAB standard 20mm screws. |
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x_size = x_holes * MLAB_grid ; |
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y_size = y_holes * MLAB_grid ; |
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mount_hole = 3.5; |
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10 |
//nut_size = 6.8; //size suitable for PLA material |
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11 |
nut_size = 6.7; //size suitable for ABS material |
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clear = 0.175; |
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thickness = 1; |
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MLAB_grid_xoffset = MLAB_grid/2; |
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MLAB_grid_yoffset = MLAB_grid/2; |
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20 |
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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difference () { |
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union () { |
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for (j = grid_list) { |
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27 |
translate (concat(j, [0])) |
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cylinder (h = pedestal_height, r= pile_radius, $fn=20); |
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} |
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30 |
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31 |
translate ([MLAB_grid_xoffset , MLAB_grid_yoffset , 0]) |
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minkowski() { |
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cube([x_size - 2*(MLAB_grid/2 - pile_radius) - 2*pile_radius, y_size - 2*(MLAB_grid/2 - pile_radius) - 2*pile_radius, thickness]); // base plastics brick |
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cylinder(r=pile_radius,h=0.1); |
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} |
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} |
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37 |
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38 |
translate ([2*pile_radius, 2*pile_radius, 0]) // central hole in module support |
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39 |
cube([x_size-4*pile_radius, y_size-4*pile_radius, 2*thickness]); |
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40 |
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41 |
// MLAB grid holes |
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42 |
for (j = grid_list) { |
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43 |
translate (concat(j, [0])) |
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44 |
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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46 |
cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
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47 |
} |
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48 |
} |
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49 |
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