/Modules/ARM/ODROID-XU4/CAD/src/ODROID-XU4_MLAB_breakout_frame.scad
0,0 → 1,97
use <./../../../../../Library/Graphics/MLAB_logo.scad>
 
pedestal_height = 13; // designed for use the MLAB standard 12mm screws.
mount_hole = 3.5;
clear = 0.175;
nut_size = 6.6;
MLAB_grid = 10.16;
x_size = 61;
y_size = 85;
 
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;
 
x_mount_dist = (55 + 49)/2;
y_mount_dist = (79 + 73)/2;
 
difference () {
cube([x_size, y_size ,pedestal_height]); // base plastics brick
 
//mount holes for ODROID
 
translate ([4.5, 4.5,0])
cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
translate ([4.5, 4.5, 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 ([4.5 + x_mount_dist, 4.5,0])
cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
translate ([4.5 + x_mount_dist, 4.5, 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 ([4.5, 4.5 + y_mount_dist,0])
cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
translate ([4.5, 4.5 + y_mount_dist, 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 ([4.5 + x_mount_dist, 4.5 + y_mount_dist,0])
cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
translate ([4.5 + x_mount_dist, 4.5 + y_mount_dist, 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 ([3, 7 , pedestal_height - 3.5]) // HOLE for ODROD's Passive components
cube([53,73,5]);
 
translate ([0, 25 , pedestal_height - 3.5]) // eMMc Card
cube([14,20,5]);
 
translate ([39.5,81, pedestal_height - 3]) // ODROID serial connector
cube([10,2,5]);
rotate([30,0,0])
translate ([27,5.8, -3.0]) // ODROID eMMC adapter pocket
cube([25,2,15]);
 
translate ([22,4, pedestal_height - 5]) // Heatsink mount holes
cylinder (h = 6, r= 3, $fn=10);
 
 
////////////////////////////////////////
 
// 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>20 && i>10 && j<50 && i<50) && !(j>75 && i>40 && j<90 && i<50) ) // exception for board mount holes
[j, i] ];
for (j = grid_list) {
translate (concat(j, [0]))
cylinder (h = 3, r= nut_size/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=30);
translate (concat(j, [6.0]))
cylinder (h = 10, r= nut_size/2, $fn=6);
}
 
//// lightening central holes
translate ([9,9, 0]) // ODROIDs passive components hole.
cube([40,67,pedestal_height ]);
// MLAB logo on the side
union (){
translate ([29,0.5, 6.5]) // ODROIDs passive components hole.
rotate ([90,0,0])
scale(v = [0.4, 0.4, 0.4])
MLAB_logo_long();
}
}