3D print MSX Cartidge - swith hole to se eprom black PLA print. I do not own the designs, I only charge the cost of 3D printing. Can be used with the MSX PCB's I also sell: https://www.heinpragt.nl/?product=msx-spider-flash-cartridge-pcb and: https://www.heinpragt.nl/?product=msx-2x32k-cartridge-board