Đồ Chơi Mô Hình Động Cơ Piston Fidget

if your first few layers aren't perfect you might have to trim the holes a bit.

I recommend attaching the rod to the piston first and then assembling the rest

Print settings I used:

Layer height: 0.4 mm
Line width: 0.6 mm
Gyroid infill: 15%