Summary Made for FlashForge Creator Pro back panel. Holds spools that have a slightly deeper hole than those that come with the printer. This one is somewhat stronger than similar models found on this website due to the use of fillets wherever possible. It also uses less material. Print Settings Printer Brand: MakerBot Printer: MakerBot Replicator 2 Rafts: Doesn't Matter Supports: Yes Resolution: Fast Infill: 25%