--- Model ---

Model properly sized in mm units

Model has no hidden/frozen elements, no groups/linked objects

No lights, cameras, helpers, layers, particle view

All elements has 100/100/100 scale and correct normals

No any modifiers in stack except of turbosmooth

Elements properly named

--- Materials and maps ---

No missing textures

No unnecessary maps in environment / background / unwrap modifier

Material editor resetted, all paths striped

Materials and textures properly named

--- General ---

No 3rd-party plugin used

No ALC and CRP viruses

Track View Controllers deleted