This model is a kit card of a surfer and shark. The surfer and shark balance and can spin very easily. It is about 12 cm long (5 in), and around 11 cm tall (4.5 in). It makes for a great desk toy/decoration.
The print settings that I would recommend are:
If you want to print out this model in not kit card form, or want to print out a single one of the pieces, then you can find it here. https://makerworld.com/en/models/248342#profileId-264573