Hello I recently "UpSized" my ender 3 pro to 300 X 300. I wanted to go to 400 X 400 but Y travel needed inches where my printer is wont fit. So Im looking for a 300 X 300 heating pad for my printer Prefer 24 volt . dont need 300 X 300 aluminum plate as I have one drilled for Ender 3. I just need heat pad with 3m glue on one side. ANY IDEAS??