Multicolor 3D Printing with 1 extruder 

Visit: www.nordfpv.com
Multicolor printing can be very useful, and even if you have a simple printer, with no multicolor unit, you can do simple 3D printed models with some different colors.
This video tries to show how to achieve this, and what pitfalls you can find on the way to achieve your goal.
If you are looking for a great TPU filament with excellent price, please check:
nordfpv.com/products/ziro-fle...