I see where this is going. Say a graphical drop down menu with all the parts listed. A X-Y-Z grid Where you can Cut&Past from the library snapping to the grid. The spacing of the grid could be from the centre of the holes so everything aligns automatically. It would only need 4 views X,Y,Z and isometric. Where parts are placed together and holes aligned hardware would be auto placed. A printable DB of parts would be a simple programming device. It would give a quick and visual indication of the viability of any project. I think it's a great idea.