Iray+ Material Library Converter

Iray for 3ds Max includes a tool for converting the units used in specific material libraries. Iray for 3ds Max uses 1 metre units for all materials and maps. If your workflow uses different scales then you will need to convert our libraries and any libraries you have created to this

Using the Iray+ Library Converter

  Utilities Panel  ➤   More... button  ➤  Iray+ Library Converter

1. Enable the Iray+ Library converter from the Tool Panel under Utilities Panel > More... > Iray+ Library Converter

2. Use Select Material Libraries and navigate to your material libraries (.mat) in the file system. Select one or more libraries and open them

3. Set the unit scale used when the material library was saved, for Iray supplied material libraries the default will be 1 metre
4. Click Convert to system units to convert to your currently set system units.

The converter will create a new material library for each library selected, these will be saved in the same location as the original. The name of the new library will have a suffix indicating the current system units. (i.e. examplelibary_in.mat for inches).

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