Hello I upsized ender 3 to 300 X300 and stock bed 235mm is history. Id like to change out the heater element for the 235 to 300 x 300 0r 12" x 12". thats where Im having issue 300 x 300 heating bed have different mounting holes then the stock ender 3 carrage . Im wondering if a CR10 (12 x 12 bed?) carraige will work on a 4040 extruded? I can always redrill the supplied 12 x 12 aluminum plate that came with the kit if need be.