iPhone Screw Clearance Case (with template for Android)

by EricYoung, published

iPhone Screw Clearance Case (with template for Android) by EricYoung Jul 27, 2012

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A little something for all the engineers (or anyone else :) out there, this is an iPhone 4s (now also a 4 GSM version) case with free fit clearance holes for common metric and imperial screw sizes.


Print it out and stick it on your dog. Or iPhone. There are now 3 versions - iPhone 4s, iPhone 4GSM, and a flat template that's intended for creating different versions (i.e. Android smartphone cases) of the case easily.

The markings for the hole sizes might not print very well and I don't have a printer to test them. If someone prints this and the markings don't show up then I can change the font size on the model.

The hole sizes are Free Fit clearance holes and I didn't try to take into account the tolerances involved with 3D printing, so they might need to be drilled out if you want the sizes to be exact. The smaller holes should be drilled for sure, unless your printer is dead on.

The Flat Template file is a 1.5mm thick flat piece with the holes and markings. If someone wants to design an Android case then this Flat Template can be combined into a new model pretty easily so that all the holes/markings don't need to be re-modeled.

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great file.. first print was slightly too small for the 4S but I think that just due to shrinkage..

Love the case! The only problem is that the font does not print at all :S If you could add a model with no font it would be greatly appreciated! Will post pics when I can.

Hey thanks! Just uploaded a couple more STL's without the markings; one for 4/4s and one for 4GSM. 

Actually I think you're right and that I should amend it to "Imperial Units" rather than "Standard Units". The word standard is deceiving and may not even be technically correct when referring to Imperial Units, but it is widely used industry jargon from my experience.

What do you mean by "common metric and standard screw sizes"? Those are the same thing, right? :-P

I'm in the USA and we use 'Standard' units here, while everyone else uses metric for the most part. In my line of work I end up needing both, so I put both sizes on the case. :)