The file 'Iphone 6 PLUS Case With A Wavy Texture (UPDATED) 3D Printer Model' is (STL) file type, size is 4.6MB.
Print upright with a brim preferably at 0.1mm layer height.
I've yet the test the case om the phone, I will make changes straight away if there's any issue with the fit.
For the iPhone 6 case go here: http://www.thingiverse.com/thing:469011
iPhone_6_Plus_Thingiverse.STL | 20.8MB |