You will need:
1 metal shaft that is 4.5 mm thick that can be used for the propeller, Super glue and hobby paint if you want to paint the engine.
The card that is on the engine stand can be designed as you wish. For example, if you want to add text with facts about radial engines or put on an image on it.
Printer Brand:
Wanhao
Printer:
Rafts:
Doesn't Matter
Supports:
Yes
Resolution:
Highest
Infill:
30%