This model is one of my second line of projects - realistic flowers.
Optimally, the print scale/height should be +- 85mm
I print these models with 0.2 - 0.15 layer height with ABS or PLA.
This model requires print support option to be "ON" (45-49 deg off vertical).
If possible, set the limit for support height ("Support Z-Roof") to +- 25mm.