Incremental sheet forming digital fabrication robot

Could this be considered as 3d printing? Probably not as no material is added. Still, it is interesting digital fabrication method. I wonder is it using factory software or some sort of custom hacked KUKA robotic arm code.

Team: Association for Robots in Architecture (robotsinarchitecture.org) and IP RWTH Aachen University (ip.rwth-aachen.de)
Location: Shanghai, China
Event: DADA 2015 Conference, in cooperation with Tongji University and FabUnion
Participants: Adlet Kylyshbekov, Yi Zhang, Addin Cui, Lim Zhang, Dongyuan Liu, Xingrui Zhou, Xiaoyin Ou, Yu Lei, Jin Xin, Qian Ren, Tian Lou, Wang Daimei, and Pan Libo