This is a single scissor holder intended for use in a Gridfinity system. The original version of this model was a 3mf file which was not compatible with PrusaSlicer.
I used Cura to convert this to a PrusaSlicer-compatible STL, and then (separately) used Gridfinity Rebase to replace the base with the Gridfinity Refined magnetic base.
The author remixed this model.
This includes two versions:
The STL version of the model works with PrusaSlicer, while the original's 3mf version only worked in Cura.