Pencil Propeller

3D Pencil Propeller: DIY Launcher This ingenious 3D printed kit transforms a simple standard pencil into a powerful and portable propeller launcher. With just a few grams of durable filament, you can print the two essential parts: a precision-engineered propeller and a custom-fitted pencil adapter. it takes a bit of practice to be able to make it fly high, but with abundant strength i was able to get a quite impressive flight time. How to use it: Slot the adapter onto your pencil. Slide the propeller over the adapter. with a quick and decisive rubbing of your hands you make the propeller take off It’s a fantastic, low-cost engineering toy that proves great ideas can come from simple principles and very little material. It is perfect for introducing kids to flight physics, the basics of aerodynamics, and the exciting world of the maker movement. The second print profile has 3d printed "pencil" in case you don't have one lying around.