the wave-front file extension has changed to 3d builder( a Microsoft print program )Kids put the program so to make printed objects. I uninstalled the program ,Bryce wont read any old .obj file. How do I get back the wave-front app or program?With out the app .obj Bryce won't import any .mlt .obj files. Any ideas about coming up with a program,how to get the wave-front.obj file's back?