Estes B4-4 Mockup model
thingiverse
I usually make my student design their own rockets in my classes when I teach forces in motion. I find that a model is safer for students to handle in class vs. the real engine. This is a simple mockup of the Estes b4-4 rocket engine.
Download Model from thingiverse
With this file you will be able to print Estes B4-4 Mockup model with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Estes B4-4 Mockup model.