/Modules/PowerSupply/BATPOWER04C/CAD/src/4x4MLAB_frame.scad
0,0 → 1,49
 
x_holes = 4;
y_holes = 4;
MLAB_grid = 10.16;
pile_radius = 4;
pedestal_height = 13; // designed for use the MLAB standard 12mm screws.
x_size = x_holes * MLAB_grid ;
y_size = y_holes * MLAB_grid ;
mount_hole = 3.5;
//nut_size = 6.8; //size suitable for PLA material
nut_size = 6.7; //size suitable for ABS material
clear = 0.175;
 
 
thickness = 1;
 
MLAB_grid_xoffset = MLAB_grid/2;
MLAB_grid_yoffset = MLAB_grid/2;
 
grid_list = [for (j = [MLAB_grid_xoffset : MLAB_grid: x_size], i = [MLAB_grid_yoffset :MLAB_grid: y_size])
if ((j>(x_size-10) && i>(y_size-10)) || (j<10 && i<10) || (j<10 && i>(y_size-10)) || (j>(y_size-10) && i<10) ) [j, i] ];
 
 
difference () {
union () {
for (j = grid_list) {
translate (concat(j, [0]))
cylinder (h = pedestal_height, r= pile_radius, $fn=20);
}
 
translate ([MLAB_grid_xoffset , MLAB_grid_yoffset , 0])
minkowski() {
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
cylinder(r=pile_radius,h=0.1);
}
}
translate ([2*pile_radius, 2*pile_radius, 0]) // central hole in module support
cube([x_size-4*pile_radius, y_size-4*pile_radius, 2*thickness]);
 
// MLAB grid holes
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, r= mount_hole/2, $fn=10);
}
}