Your involvement may be most helpful if you can just watch over what he does to ensure he is actually discussing what he desires rather than act like a bull in a china shop without listening to others His unilateral actions like declaring that various programs including Cobalt be deleted from Wikipedia and from the list isn t exactly an unheard of sorta thing on Wikipedia However his single handedly declaring how things must be done by posting an announcement on the talk page with the section heading Removed and Banned entries and his tenacity over the months on Cobalt suggests he A might have a singular focus and B might need help to understand the art of collaborative writing on en Wikipedia This matter is probably more about the procedure of doing things rather than concerning oneself with the nuts and bolts of CAD However turning one s to 80 it s clear that with people like Burt Rutan of Scaled Composites designing space ships like SpaceShipOne using Cobalt the program is clearly notable