1. 3MF Consortium (2016). http://3mf.io/specification/.
2. Fabrication direction optimization to minimize post-machining in layered manufacturing;Ahn;Int J Mach Tool Manu,2007
3. ASTM Designation F2792-12a (2012). Standard terminology for additive manufacturing technologies.
4. New trends in rapid product development;Bernard;CIRP Anals - Manufacturing Technology,2002
5. Bjørke, O. (1992). Computer-Aided Tolerancing. ASME Press, New York.