March 14, 2012: Tekla Structures v18 Now Available 0 comments, 15/03/2012, by Guest/blogger, in Article, News March 14, 2012: Tekla Structures v18 Now Available « March 14, 2012: 3D Systems Celebrates Its Italian Expansion March 15, 2012: DraftSight Passes the 2 Million Download Mark » Share