Cryptex Type_c. Flash Drive With Secret Mechanical Lock

About: Steampunk artist, scientist, engineer

Cryptex type_c. Flash drive with secret mechanical lock


-USB specification : USB3

Case: Brass

Wall Thickness: 1.5mm

Lock digits: 4

Key combination: unlimited


-Mechanical lock

-100% Handmade

-Handmade USB flash drive built in with mechanical lock. This is a toy puzzle. You may even consider that this is a tactical toy. Rotate the gears and you open the container, of course, if you know the code.


UPD 24.04.2016 i just found photo of assembly. Check step 2

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Step 1: What I Plan to Do, and More Photos

This cryptex assembled from 21 parts.

In future i want build cryptex with 2 and 3 secret locks

What i want add in future

1. + electromechanical lock. If someone open external casing - flash drive will be still blocked

2. + Cryptosystem that encode data on memory bank

Step 2: Assembly

I just found photo of assembly

Not all parts. Instructable will be updated soon

Make it Move Contest 2016

Participated in the
Make it Move Contest 2016



    • Indoor Lighting Contest

      Indoor Lighting Contest
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      Make It Fly Challenge
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    12 Discussions


    Reply 9 months ago

    i build first one in a 14 days, next one in a 1-2days.
    if you build more than one - overal time decrees because you can make same parts in one day....


    3 years ago

    Where is the inscructable you promised?

    I'm still excited and waiting^^°

    I need to make my boyfriend a christmas present! :)

    1 reply

    3 years ago

    Cool but were is the instructions on how to build it?

    2 replies

    Reply 3 years ago

    i have drawings only on paper and it not finished. avery cryptex that i assembly have new parts or new idea... finished drawings i'll attach to this instructable in 3-4 month(with howto assembly). now i can attach only photos with comments how some parts build.
    also in two week check my instructables. i'll add full howto to cryptex type_a (classical cryptex from wood and from brass) and cryptex type_e from wood


    Reply 3 years ago

    cant wait to see it...just love the style and look on the stuff you make..The nixie watch is the favorite so far..