pedestal_height = 13;   // designed for use the MLAB standard 12mm screws.
mount_hole = 3.5;
clear = 0.175;
nut_size = 6.6;

MLAB_grid_xoffset = 3.4;
MLAB_grid_yoffset = 1.5;

difference () {
//        translate ([-1,-16,0])
        cube([58,87,pedestal_height]);

        //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 + 49, 4.5,0])
        cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
        translate ([4.5 + 49, 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 + 58,0])
        cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
        translate ([4.5, 4.5 + 58, 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 + 49, 4.5 + 58,0])
        cylinder (h = 6, r= (nut_size+clear)/2, $fn=6);
        translate ([4.5 + 49, 4.5 + 58, 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 ([1, 66 , pedestal_height - 4.5]) // HOLE for ODROD's USB and Ethernet connectors
        cube([54,15.5,5]);

        translate ([15, 14 , pedestal_height - 3.5]) // HOLE for ODROD's Passive components 
        cube([35.5,46,5]);

        translate ([6, 31.5 , pedestal_height - 3.5]) // eMMc Card 
        cube([14,20,5]);

        translate ([19, 54 , pedestal_height - 3.5]) // SD Card 
        cube([30,20,5]);

        translate ([2, 8 , pedestal_height - 1.7]) // IO connector
        cube([4.5,50.5,5]);

        translate ([37,3, pedestal_height - 3])  // ODROID serial connector 
        cube([10,2,5]);

        translate ([9,3.5, pedestal_height - 3])  // ODROID IR receiver
        cube([7.5,2,5]);

        translate ([19,10, pedestal_height - 5])  // Heatsink mount holes
        cylinder (h = 6, r= 3, $fn=10);
        translate ([39,61.6, pedestal_height - 5])  // Heatsink mount holes
        cylinder (h = 6, r= 3, $fn=10);


        ////////////////////////////////////////

// MLAB grid holes

        for (j = [0 : 5], i = [1 : 5]) {
                translate ([MLAB_grid_xoffset + j*10.16, MLAB_grid_yoffset + i*10.16,0])
                cylinder (h = 3, r= (nut_size+clear)/2, $fn=6);
                translate ([MLAB_grid_xoffset + j*10.16, MLAB_grid_yoffset + i*10.16, 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 ([MLAB_grid_xoffset + j*10.16, MLAB_grid_yoffset + i*10.16, 6.0])
                cylinder (h = 10, r= nut_size/2, $fn=6);
        }

        for (j = [0 : 5], i = [7 : 8]) {
                translate ([MLAB_grid_xoffset + j*10.16, MLAB_grid_yoffset + i*10.16,0])
                cylinder (h = 3, r= (nut_size+clear)/2, $fn=6);
                translate ([MLAB_grid_xoffset + j*10.16, MLAB_grid_yoffset + i*10.16, 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 ([MLAB_grid_xoffset + j*10.16, MLAB_grid_yoffset + i*10.16, 6.0])
                cylinder (h = 10, r= nut_size/2, $fn=6);
        }

        
        
        
////  lightening central holes
        
        translate ([18,16, 0])  // ODROIDs passive components hole. 
        cube([30,43,pedestal_height ]);        
        
        translate ([10,67, 0])  // ODROIDs passive components hole. 
        cube([38,11,pedestal_height ]);        
 
}