BCN3D Technologies Unveils Reengineered Sigma R17 3D Printer
SOLIDWORKS World 2017: BCN3D and MatterHackers Proudly Unveil the New and Improved Sigma R17 3D Printer - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing
BCN3D Sigma 3D Printer Review (Not the Sigma R17 - That is Coming Soon) - YouTube