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RomaAnderson
Participant
May 29, 2020
Question

How to restore default 3D object lighting to previous version's default

  • May 29, 2020
  • 1 reply
  • 624 views

Hello,

I use Photoshop's 3D mesh extrusions function to generate fractal 3D models, I recently updated to 2020 version 21.1.3 and I am finding that extrusions from the same image now appear vastly different in terms of texture and lighting.

(Please see images below)

Since I work generatively I produce between hundreds and thousands of these models for my art, and consistency in the old generations vs. the new is critical. I would really like to avoid having to remake all of my work thus far. I am wondering if there's an easy fix I am missing to remove this new default IBL that is appearing, and whether that will hopefully remove the new spotlights and uneven lighting? Or, whether it is better to try and reinstall whichever version I had before? 

Thanks so much!

 

Top: Current default lighting 

Bottom: Previous default lighting in artworks

 

 

This topic has been closed for replies.

1 reply

davescm
Community Expert
davescmCommunity Expert
Community Expert
May 29, 2020

The material system was changed from a Diffuse - Specular workflow to a PBR Base - metallic roughness workflow. This matches modern materialvsystems but the translation is not straightforward. So bringing in those older materials may show changes.

In addition there are bugs in the current version where the render shows artifactsxif the UV is scaled.

You can have more than one version of Photoshop installed. The CC desktop app should show two versions available so, at present, you could use the previous version. However, the movement to the new materials will stay so it is probably time to adjust the materials as you use them.

 

Dave

S
Slartyibardfast
Participant
July 30, 2020

Hi Dave, do you know of any tutorials for using the new system in photoshop? I've googled around all morning and all existing tutorials and guides, including those on Adobe.com only refer to the old system.

davescm
Community Expert
davescmCommunity Expert
Community Expert
July 30, 2020

Hi

Not directly for Photoshop, but these two articles expain the different material systems quite well:

https://academy.substance3d.com/courses/the-pbr-guide-part-1

https://academy.substance3d.com/courses/the-pbr-guide-part-2

 

To be quite honest though if you are starting out in 3D I would not use Photoshop. It has limited functionality and the current versions have significant bugs.  For simple , but effective, rendering of materials onto premade objects I would look at Adobe Dimension. For more complex modelling and fast photo realsitic rendering I would (and do) use Blender 3D.

 

Dave

 

 

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