This is a skadis mount for Xiaomi's Electric Precision Screwdriver kit. Print-in-place, with supports. The mount just clips into the skadis board, and the screwdriver kit can be slid in.
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Any layer height should do, the model in the pictures was printed with a 0.8mm nozzle, 0.3mm layer height. Do enable support material. The support material is used to support the upper set of clips in the back. The fit is somewhat loose, you don't need an absolutely precise printer for this.
The author marked this model as their own original creation.