The 2-stroke engine is still used, although it is not seen very often. I have uploaded the solidworks file so that you can change the engine as you wish, so you will have the opportunity to open it in any format. I wish you success in doing it.
3D PRINTING SETTINGSYou can print at 20% occupancy.The extruder temperature can be 210 degrees, the table temperature can be 60 degrees.you can also print parts 0.2mm or 0.16mm as the design is large.good luck with printing