IInventory mac = upgradeable.getInventoryByName( "mac" );
for (int y = 0; y < 3; y++)
for (int x = 0; x < 3; x++)
{
SlotMACPattern s = new SlotMACPattern( this, mac, x + y * 3, offX + x * 18, offY + y * 18 );
addSlotToContainer( s );
}
offX = 126;
offY = 16;