3ds Max

Better-looking fabrics with 3ds Max and Corona Renderer

Discover how to create better-looking fabrics using 3ds Max and Corona Renderer with this new method by 3D artist Vjeko Kiraly from RenderRam.



As a summary.

The techniques exposed in this video are perfect for product renders that demand high-quality materials for close-up shots.

Understanding the Basics

When rendering fabrics, common issues include harsh, concrete-like appearances due to unrealistic shadows and textures. To achieve a more natural look, it’s essential to make the fabric appear soft and airy, allowing light to pass through subtly.

From Basic to Enhanced Fabric

A typical fabric material might have harsh shadows and pronounced stitches. By enhancing the material, we can soften these shadows and create more organic stitches.

  1. Starting Point: Use a basic fabric texture and bump map (Texture Supply fabric 003) applied to a new Legacy material.
  2. Adjust the Bump: Set the bump intensity to around 0.5 to avoid overly harsh details.

Subsurface Scattering (SSS)

To achieve a realistic fabric, incorporate subsurface scattering:

  • Settings: Switch the material mode to SSS, set the amount to 1, and the radius to 3mm.
  • Effect: SSS softens shadows, making the fabric look more realistic and less concrete-like.
  • Render Time: Minimal impact on render times, increasing only slightly (e.g., from 10 to 12 minutes).

Maintaining Bump Detail with Displacement

SSS can reduce bump map visibility. To counter this:

  • Use Displacement: Apply Corona displacement to maintain detailed bumps.
  • Quality Settings: Set displacement subdivision quality to World for consistent detail, but monitor RAM usage as it can be demanding.

Final Adjustments

  • SSS Tuning: Adjust the SSS radius to enhance the fabric’s airy quality.
  • Monitor Performance: Regularly check render times and system performance when using complex materials.

Check out more of Vjeko’s tutorials here!

Ejezeta

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