This is another flexible Iphone4 case printed with Ninjaflex Filament (http://www.fennerdrives.com/3D). Video: http://www.youtube.com/watch?v=EpkvHo6a888 It snaps over the phone well and all of the buttons work. But...You might put a little extra material on the corners to help with fall protection. Also, I left some support material at the bottom end. After the print, just cut this away with a razor blade (to open the hole for the speakers and charge cord. Makerbot Replicator (original version with the MK8 spring loaded extruder upgrade). Extruder temp: 215 C Platform: Room temp (25C), bare aluminum, glass, or Kapton tape all work well Retraction Settings (In Skeinforge under Dimension tab): Minimum Travel for Retraction: 1.0mm Retraction Distance: 2.0mm