The formula represented is: [Perimeter of circle = pi * Diameter]
A toy that kids can play with, is the best way to learn difficult concepts. Students will never use again the excuse 'I used to know this, but now I forgot'!
The parts are easy to print, fast and low cost! You can use PLA or ABS, with usual printing settings (No support needed).
| Part1.STL | 69.8KB | |
| part2.STL | 48.4KB | |
| part3.STL | 13.9KB |
