At the top of each design page, you’ll find a series of five icons in either green, yellow, or red. The meaning of these icons is re-resented below.

Please note that these ratings are fairly subjective, and we welcome your input. If you feel any of the ratings for a particular device should be modified, please fill out this form and share your thoughts with us.

Maturity

Cost of Materials

Popularity

Difficulty

Grip Strength