確定確度 90%Happened as dated, per the source[1]: PERI's[2] press release of 28 July 2021 says "Today, the single-family house printed by PERI using a COBOD BOD2 printer was officially opened in Beckum"; The Construction Index[3] reports the same opening.
PERI officially opened a single-family home in Beckum, the first 3D-printed house in Germany to be fully certified under national building regulations.