include <../../lib/chamfered-cube.scad>

// All units in millimeters
//
// screw distance (on center), horizontal and vertical
screwDX = 45;
screwDY = 82;

// paddle size
pX = 33.7;
pY = 66.3;

// inter-switch distance (horizontal)
interX = 12;

// plate side size (square_
side = 120;

pDepth = 6;
backingDepth = 2;
tDepth = pDepth + backingDepth;

pOffsetX = (side - 2*pX - interX)/2;
pOffsetY = (side - pY)/2;

difference() {
  translate([0, 0, -2])
    chamferedCube([side, side, tDepth - 3 + 2], chamfer=2);

  // bottom flush cut
  translate([-10, -10, -4]) cube([side + 20, side + 20, 4]);

  // paddle cutouts
  for (i = [0, 1]) {
    translate([pOffsetX + (pX + interX)*i, pOffsetY, -2]) cube([pX, pY, tDepth + 4]);
  }

  // interior-space carve-out
  translate([4, 4, -2]) chamferedCube([side - 8, side - 8, tDepth - 5 + 2]);
}