Challenge Coin stacking display

This challenge coin display is modular, and standard diameter challenge coins should snap in easily.
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updated February 25, 2024

Description

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This display is optimized for standard challenge coins with approximately 1.759in or 44.68mm diameter. 

An oblong sphere shape is arrayed around the edge of the pocket to provide a soft interference fit around the coin, while still being easy to press in and remove. 

Each holder dovetails into the previous one, and a plug covers up the dovetail at the end. At the back, there is also a spherical key for security and alignment.

I printed these face down to take advantage of the textured PEI surface pattern, which has some trade-offs for supporting the dovetail features, and I optimized the tolerances for this print method. Please let me know if other orientations or layer thickness require wider tolerances.

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