Coaster Puzzle

thingiverse

A neat puzzle that doubles as a drink coaster when solved. Or is is a coaster that doubles as a puzzle. This object is three interconnected rings. They have to be printed together. There is a 0.05" clearance between all mating surfaces. Your printer will have to be able to 'bridge' a 0.35" gap. Most should do this with no problem. Solution is harder than you might think.