Centaur genitalia conundrum resolved.  
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The TurboSmooth modifier is assigned to the model (in the viewport - 0 iteration; in the render - 1 iterations).

Corona Renderer used Corona Physical Material

Polys: 6 460
Dimension: x-80 y-100 z-150
File Format: 3Ds Max 2020 Corona+Vray, FBX Corona, FBX V-Ray
File Units: millimeters
Textures resolution: 4096
Texture format: png