Clearance for for 3D printing

[KPeter]

Hi @JNel,
The applied amount of tolerance depends on many details starting from printing technology and many other things. There was a discussion about this topic a few months ago, please check it if you have some time:

Scale/size issue with printing model

Hi, I just tried to make a 3d print of a simple model (basically a simple ring) . I think the ring was about 50mm in Shapr3d, but when I exported it to STL (into Simplify3d), it became HUGE! like … twice as big as i expected. Am I missing something? Do I need to do something to keep the scale accurate? Thank you for any help!! MW ===== SOLUTION: Why did my STL file change units? – Shapr3D Help Desk