The Pop-Up Parade figure of Megumin is nice, but has a small flaw. The staff she holds can be a bit top-heavy and will fall out of her hand. This is a support arm to lift the top of her staff so it won't fall.

Tolerances between the base and support arm are 0.3mm. The end may need to be sanded slightly depending on your printer, but should be able to press-fit.

Although there isn't a lot of weight on this, I recommend printing in PET-G over PLA, although PLA should be fine if you don't have anything else.

The photo shows the support printed in Amolen Clear PET-G with a 0.4mm nozzle, 0.2mm layers and three walls.