1. Five Best 3D Printing Services;lifehacker,2015
2. 37 Marketplaces to Share, buy and Sell Designs for 3D Printing;makingsociety,2013
3. Top 25: Most Popular 3D Modeling & Design Software for 3D Printing;i.materialise,2015
4. 3D Printing Trends Q3-2016;3D Hubs,2016
5. Printing Trends Q1–2017;3D Hubs,2017