Iphone 7 case with changeable backside

As the outer case fits pretty snug on the phone, it should be printed with TPU or other flexible filament. The back side can be printed with PLA or other rigid materials and can be personalized as you like with easy editing steps...

Update
I thickened the case and the backplate.
I enclose files with support pillars in the holes and without, plus the case with fixed backside.

Update 2
Added more support pillars, modified the speaker opening and placed pillars there too.
Widened a little the opening to insert the phone, thickened the case by 0,25mm.

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