High res image
https://www.behance.net/gallery/65589529/White-peony_3D-MODEL 

export file without turbosmooth
weight Max file 61.5mb
model in 2013 format 3dsMax OBJ FBX

TurboSmooth is ticked off Render Iters
(anti-aliasing in the rendering)

Who works in the V-Ray version is lower than SP1 be careful the materials in the BRDF section are Microfaset GTR (GGX) if your version is older than SP1 then the BRDF field will be empty. Put Phong Blinn Ward of your choice.