A mix of the dust cover and the famous benchi (in a smaller format).
I personally printed it with prusa orange PETG in order to stay as much in the prusa spirit as possible. I don't recommend it, as the prusa mini has a lot of trouble producing this type of hesthetic part in PETG, but it comes out very well with PLA (only I don't have any prusa orange PLA).
I'd recommend adding supports to both PETG and PLA, as the bridges would otherwise be too big.
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The author remixed this model.