Here is a 5-cylinder engine 3D printed and assembled by hands. The Yamix 5-Cylinder Engine lets you view the piston movement in the cylinder. It is powered by a 5V motor that you can connect to a power source with a USB cable.
More gadgets like this: here
This 3D printed model engine measures 11 x 7 x 13cm. You can find out more about it here.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.
