Small footprint switches?

As of lately, I am involved with designing an amateur radio APRS LoRa personal messenger project, with a physical appearance similar to this:

I would like to probe this group for any recommended suggestions for small footprint switches (mechanical or not). Thanks in advance!

The switches in computer mice come to mind, but Iā€™m not aware of any keycaps that work with those. Could go full DIY and 3D print your own keycaps?

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Very good first suggestion. No, I do not intend to use any keycaps at all, as this would compromise the reproducibility of the project.

Does this count?

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