Solar Ring

The purpose of this ring is to engage the students in 3D printing while learning about the processes that make it possible to obtain clean water. It takes 1 hour and 45min on a Ultimaker 2 at the preset “fast” speed on Cura 15.04.4.
How it works:
The unclean water is deposited in the bottom of the 2L bottle in a black container and the ring is secured to the top of the bottle with the groove facing upward (inside the bottle). This is all internally located in relation to the bottle. The appar