This object modeling in 3ds max 2021 and save as in 3ds max 2015 version.
3ds max 2015 VRay5
3ds max 2015 Corona5
policy: 167000
verts: 168000
-------------------------------------------------- -------------------------------------------------- ------------------------
https://www.paulmark.su/smesiteli_paulmark/paulmark_gravity_gr213188_b 
-------------------------------------------------- -------------------------------------------------- ------------------------
If you have any problems for setting up the models, send me a message here or Leila.ff7220@yahoo.com.