Waco UPF-7 Biplane stl file Leave a comment The file ‘Waco UPF-7 Biplane stl file’ is a STL (.stl) file type, size is 872.15 KB, under aeroplane. Related Articles Laser Cut Whiskey Bottle Gift Box Free Vector Set of Calligraphic Design Elements Free Vector Space Shuttle Columbia Laser Cut DXF File Soldier with Rifle – firing dxf file