Is it digital, or is it analog?  Well it's some combination of the two! The rack driven 7 segment display is a fully 3D printed mechanical desk piece that is equal parts satisfying and bewildering.  Turn the top dial to rotate a series of 14 cams which push on a rack and pinion system to reveal a number.  Operate is manually, or add an optional servo motor to the back and have the thing run on it's own.

You could even throw 4 of them side by side to create a clock!  Add another two and get the seconds.  Give one a randomized number generator and it becomes a dice!  Endless possibilities!

The STL File:

Prints on all standard 3d printers, requires no additional tools or assembly, and assembles in seconds.
For servo attachment (not necessary), it used these servos: https://geni.us/G8ArjNg

Recommended print settings:
Layer Height: 0.2mm
Nozzle: 0.4mm
Infill: 15-18% 
Total Material: ~190g

Can print on any sized 3D printer.

Rack Driven 7 Segment Display

Build 2 - Cams and Housing - 125g.stl

Rack Side (x4).stl

Top Plate.stl

Detent.STL

Cam (Larger Clearance)_Bottom Inverse.STL

Cam (Larger Clearance)_Bottom Left Inverse.STL

Cam (Larger Clearance)_Bottom Left.STL

Cam (Larger Clearance)_Bottom Right Inverse.STL

Cam (Larger Clearance)_Bottom Right.STL

Cam (Larger Clearance)_Bottom.STL

Cam (Larger Clearance)_Middle Inverse.STL

Cam (Larger Clearance)_Middle.STL

Cam (Larger Clearance)_Top Inverse.STL

Cam (Larger Clearance)_Top Left Inverse.STL

Cam (Larger Clearance)_Top Left.STL

Cam (Larger Clearance)_Top Right Inverse.STL

Cam (Larger Clearance)_Top Right.STL

Cam (Larger Clearance)_Top.STL

8mm C-Clamps (x6).stl

Central Clock Connector.stl

Dot Centres.stl

Dot Outlines.stl

Base Piece (For 2 Side by Side Modules).STL

Central Counter Connectors (to connect base pieces together).stl

The **Momentus Mind Camera** is a breakthrough device capable of capturing vivid memories and storing them directly in your brain. The incredibly satisfying and effective clicking noise triggers a Pavlovian response that your brain will come to associate with important memories. Made possible by navigating a narrow labyrinth of legal loopholes, you can now 3D print your own! So get out there and make some memories (at your own risk)!

This is the **PRO Kit**, which includes a bunch of styles and options for your custom mind camera. Try out a basic kit [for free here](https://than.gs/m/1076063?affiliateCode=MAKE).

---

**_Printing Guidelines_**

_Watch the attached assembly video for detailed printing and assembly instructions!_

- 0.4mm nozzle, 0.16mm layer height, 3 walls, 10% infill, 5 top and bottom layers.
- All parts were designed to work with PLA, and should hold up for hundreds of snaps but a more resiliant material like PETG or ABS may increase shutter life. I would avoid softer PLA variants like silk/matte, especially for the Trigger. As always keep PLA parts out of hot environments.
- _Front_loose.stl_ part is included to compensate for imperfect prints, but it's highly suggested to use a tuned printer that works with the default parts for best operation.
- If using a softer filament or want an extra finger workout you can print the _'firm'_ and _'stiff'_ versions of the Trigger, but the standard one should work well for most cases.
- For the multicolor version of the back, make sure to use the correspondening strap type (_'noStrap','StrapA', or 'StrapB'_) for both the _face_ and _main_ STLs.

- Designed to work with my printable [Keychain Loop](https://than.gs/m/1076066?affiliateCode=MAKE) or any [standard keychain](https://amzn.to/4bGq5wJ).
- No adhesives should be necessary, but if you want to glue parts together for extra strength, I suggest [E6000](https://amzn.to/3UIOdso).

---

Photographed models were printed on the [Bambu Lab X1-Carbon 3D Printer](https://bit.ly/MA_X1C) using [Bambu Lab PLA](https://bit.ly/bamFIL).*


*_These affiliate links give me a commission on sales at no additional cost to you. Thanks for supporting Make Anything!_*. 

Momentus Mind Camera PRO // Fidget Clicker + Memory Device

Multi_Front_Main.stl

CAM

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Rack Driven 7 Segment Display

Momentus Mind Camera PRO // Fidget Clicker + Memory Device