About this 3D model

Three-stage rocket accessories Suitable for rocket engines with a diameter of 21mm, or fireworks rockets. Print with the default parameters. This accessory is for educational purposes only. Minors need to be under adult supervision. Do not use it on dangerous goods. You are solely responsible for the consequences if you do. Suitable for rocket engines with a diameter of 21mm, or fireworks rockets. Just print the default parameters. This accessory is for teaching use only. Minors need to be under adult supervision and do not use it on dangerous goods. If you use it, you will be responsible for the consequences.