| 0,0 → 1,96 |
|---|
| |
| pedestal_height = 13; // designed for use the MLAB standard 12mm screws. |
| mount_hole = 3.5; |
| clear = 0.175; |
| nut_size = 6.6; |
| inch = 25.4; // dimensions of mesa card are documented in inches therefore a conversion is needed. |
| MLAB_grid = 10.16; |
| x_size = 4 * inch; |
| y_size = 4 * inch; |
| |
| x_holes = floor((x_size - 10) / MLAB_grid); |
| y_holes = floor((y_size - 20) / MLAB_grid); |
| |
| MLAB_grid_xoffset = (x_size - (x_holes * MLAB_grid))/2; |
| MLAB_grid_yoffset = (y_size - (y_holes * MLAB_grid))/2; |
| |
| 7i90HD_holes_offset = 0.15 * inch; |
| 7i90HD_holes_xdistance = 3.7 * inch; |
| 7i90HD_holes_ydistance = 3.7 * inch; |
| |
| difference () { |
| cube([x_size, y_size,pedestal_height]); // base plastics brick |
| |
| //mount holes for 7i90HD |
| |
| translate ([7i90HD_holes_offset, 7i90HD_holes_offset,0]) |
| cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
| translate ([7i90HD_holes_offset, 7i90HD_holes_offset, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
| cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
| |
| translate ([7i90HD_holes_offset + 7i90HD_holes_xdistance, 7i90HD_holes_offset, 0]) |
| cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
| translate ([7i90HD_holes_offset + 7i90HD_holes_xdistance, 7i90HD_holes_offset, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
| cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
| |
| translate ([7i90HD_holes_offset, 7i90HD_holes_offset + 7i90HD_holes_ydistance,0]) |
| cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
| translate ([7i90HD_holes_offset, 7i90HD_holes_offset + 7i90HD_holes_ydistance, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
| cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
| |
| translate ([7i90HD_holes_offset + 7i90HD_holes_xdistance, 7i90HD_holes_offset + 7i90HD_holes_ydistance,0]) |
| cylinder (h = 6, r= (nut_size+clear)/2, $fn=6); |
| translate ([7i90HD_holes_offset + 7i90HD_holes_xdistance, 7i90HD_holes_offset + 7i90HD_holes_ydistance, 6.2]) // one solid layer for slicer (the holes will be pierced on demand ) |
| cylinder (h = pedestal_height, r= mount_hole/2, $fn=10); |
| |
| ///////////////////////////////////////// |
| // holes for components at the bottom side of the PCB. |
| |
| translate ([0, 17 , pedestal_height - 3]) // RS422 IO connector |
| cube([17, 18, 5]); |
| |
| translate ([1, 42 , pedestal_height - 3]) // W3 jumper |
| cube([3, 8, 5]); |
| |
| translate ([49, 2 , pedestal_height - 3]) // W6 jumper |
| cube([3, 8, 5]); |
| |
| translate ([49, 91 , pedestal_height - 3]) // W1 jumper |
| cube([3, 8, 5]); |
| |
| translate ([57, 18 , pedestal_height - 3]) // P1 jumper |
| cube([6, 65, 5]); |
| |
| translate ([76, 18 , pedestal_height - 3]) // P2 jumper |
| cube([6, 65, 5]); |
| |
| translate ([93.5, 18 , pedestal_height - 3]) // P3 jumper |
| cube([6, 65, 5]); |
| |
| //////////////////////////////////////// |
| |
| // MLAB grid holes |
| grid_list = [for (j = [MLAB_grid_xoffset : MLAB_grid: x_size - MLAB_grid_xoffset], i = [MLAB_grid_yoffset :MLAB_grid: y_size - MLAB_grid_yoffset ]) |
| if (!(j>10 && i>20 && j<90 && i<90)) // exception for board mount holes |
| [j, i] ]; |
| for (j = grid_list) { |
| translate (concat(j, [0])) |
| cylinder (h = 3, r= (nut_size+clear)/2, $fn=6); |
| translate (concat(j, [3.2])) // one solid layer for slicer (the holes will be pierced on demand ) |
| cylinder (h = pedestal_height /3, r= mount_hole/2, $fn=10); |
| translate (concat(j, [6.0])) |
| cylinder (h = 10, r= nut_size/2, $fn=6); |
| } |
| |
| |
| //// lightening central holes |
| |
| translate ([11,15, 0]) |
| cube([45,72,pedestal_height ]); |
| |
| // translate ([12.5,42, 0]) |
| // cube([71,40,pedestal_height ]); |
| |
| } |
| |
| |