When you save a material file, the default thumbnail will shape like a ball. To make it clearer to the users, you need to change the thumbnails.
How it works:
1.Convert the material files to prop files.
2.Load thumbnails to these prop files.
3.Convert the prop files back to material files.
For more details, please follow the step-by-step instructions below.
1.Open Command Prompt.
2. Go to the folder where your material files are.
  For example, type in cd C:\Program Files\Reallusion\iClone 3\Template\iClone Template\Materials Lib\My Materials
3. Type in ren *.iMtl *.vns to change the material files to vns files.
4. Copy the vns file to the props folder in iClone custom template folder.
  iClone custom template folder can usually be found at
C:\Documents and Settings\All Users\Documents\Reallusion\Custom\iClone 3 Custom
5. Open iClone and go to Set/props. You will find your material files there. 6. Right click on the material file which you want to change the thumbnail, and choose Load thumbnail.
7. Rename the vns files back to Material files by going back to Command Prompt and type in ren *.vns *.iMtl.
8. You are now ready to submit your very first G3 texture pack!
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