Modelled an easy to print Christmas ornament which folds open. The "axel" has a 0.3 mm tollerance on the large one (100mm), and a 0.25 tollerance on the small one (80mm). Printed the large at 0.3 mm layer hight, and the small at 0.25. Here is a timelaps of the modelling and printing: 3D print - Foldable Christmas Ornaments - https://youtu.be/CJPbs6vwxJQ