Pieces must be printed at a scale of 1:1. A 0.4 nozzle and a 40% filling rate is sufficient. The joining piece must be pressed in two pieces.I also uploaded it anonymously for users who want it. I also uploaded it as a part file for those who want it. It should be assembled to the lower part by pressing the upper parts and gluing the joining part. enjoyable work. For any feedback you can reach us at malican34@hotmail.com.