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USB-C Adapter Key Fob for Samsung (and other) phones

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  • 1 like

3D model description

If you have a Samsung phone with a USB-C interface it probably came with an adapter to Micro-USB to allow you to charge from a Micro USB cable.

The problem is that you need to carry this adapter with you without losing it. This device slots the adapter securely inside and attaches it to your keyring.

I have included two versions. There is a thicker-walled one which is easier to print or a thinner one which is more difficult to print but lighter and more compact.

3D printing settings

I printed in ABS for durability but PLA should work too - although you may need to scale very slightly as the tolerances are very tight and ABS tends to shrink.

Print with the flat side of the "ring" downwards with a brim. Needs no supports.

Print at 0.1 or 0.15mm layer height due to detail

3D printer file information

  • 3D design format: STL Folder details Close
    • USB Keyfob - slimmed.stl
    • USB Keyfob.stl

    Learn more about the formats

  • Publication date: 2018/09/06 at 11:48





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I am very much an enthusiastic amateur when it comes to designing. My designs tend to have two things in common

1) They serve a purpose. I like to design functional objects which have a real-world use. 3D printing for art is fine, but it's its real-world application which will take the technology forward
2) Wherever possible I design to be easy to print and try to eschew supports or complex printing; modifying the design where necessary and possible to achieve this.

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