This is just a simple and funny Keychain ! Only real Nerds will get the Math Joke ;)
Swap filament at the right height (1.5 mm)
I printed this with Filamentum Vertigo Grey PLA and Prusa White PLA, for top and bottom infill pattern i have choosen Hilbert Curve in Slic3r PE.
Math_Humor_Keychain.stl | 392.3KB |