Heres some, but not much…
There is a “New” version of the Proxmark3 available.
Called the Proxmark3x
I know @Hamspiced has one, and even designed a 3D printed case for it.
https://www.thingiverse.com/thing:6109985
Some images of his here
The Proxmark3 Master is a PM3 + Chameleon combo
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