This is model of Shuriken depicted in comic series Naruto.

There are two models - full, which is actual model of the Shuriken, and half, for easier print. print it twice and glue together.

There are no special recommendations for print, should be easy. The print shown on the photo was printed on Bamboo Lab P1P using golden silk PLA, from two half model parts glued together. Infill 10%, layer height 0.08, no supports/brim.