A very fast, support free, spinning top.
a 3 pieces toy, support free, very fast printing. the easiest push fit assembly solution: just put the main halves together and join them with the ring. if you want to offer a quick toy to your kid, this is the fastest way to do it. printing details: layer height 0.1 mm, fill density 20%, printing time 1 hour and 33 minutes, printing material 1.53 m or 12 grams. Enjoy!