It's better if you split it in 2 and glue it.
Try lower the temperature, use a 0.25 mm nozzle (if you have an olsson block) and make it in ABs with around 30 - 50 % cooling
printing all at once is not recemmended, and small scale will need a lot of practice and experience, but generally tiny detailed stuff is much better if you just print in parts. Tiny geometric stuff is better suited to the resin printers. Everything else is fine with the UM2 and far cheaper, like over 100 times cheaper.
BTW, for the image I paste above, I just lay it flat and print, the final result is very poor...
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