es:

Flex: made for elastic filaments like TPU. Not tested.
Rigid: made for rigid (non-elastic) filaments like PLA, ABS, HIPS, etc. The entire model is a little bigger and the holes for the buttons are opened on the front side. Tested only on PLA.

I spend part of my time making these models, letting them available and free for everyone. If you want to support my work, you can contribute with me here:

23:T533,'a':96B 'abs':89B 'and':16B,27B,99B,127B 'any':48B 'are':8B,22B,35B,105B 'ask':54B 'attention':40B 'available':126B 'bigger':98B 'buttons':104B 'can':139B 'case':5A 'cases':7B,59B 'check':60B 'contribute':140B 'd1':3A 'design':52B 'designed':23B 'either':9B 'elastic':73B,85B 'entire':93B 'etc':91B 'everyone':130B 'explanation':65B 'filaments':74B,86B 'file':43B 'files':68B 'flex':70B 'flexible':30B 'for':10B,24B,29B,56B,72B,81B,102B,129B 'free':128B 'front':109B 'have':47B 'here':62B,143B 'hips':90B 'holes':101B 'i':115B 'if':45B,131B 'interchangeable':37B 'is':63B,95B 'just':53B 'letting':124B 'like':75B,87B 'little':97B 'made':71B,80B 'making':121B 'materials':26B,34B 'me':55B,142B 'model':94B 'models':21B,33B,123B 'motorola':1A 'my':119B,136B 'names':44B,69B 'non':84B 'non-elastic':83B 'not':36B,77B 'of':19B,66B,118B 'on':50B,107B,113B 'ones':31B 'only':112B 'opened':106B 'other':57B 'others':28B 'part':117B 'pay':39B 'phone':58B 'phones':12B 'pla':88B,114B 'rarz':2A 'request':49B 'rigid':25B,79B,82B 'side':110B 'so':38B 'some':18B 'spend':116B 'supp

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