Array Modifier Material ID Rollout

The Array modifier's Material ID rollout lets you control how material IDs are applied to the clones in the selected array.
Note: By default, the To and From parameters are set to 1, which results in no modification to the clone's existing material ID. If the To and From values contain a range of IDs, each clone is randomly assigned one of the IDs within the range. Any ID values beyond the To value remain unchanged.

Interface

From
Sets a minimum ID value that is randomly applied to the clones.
Note: The From parameter must be set a value of 1 or above to display expected results.
To
Sets a maximum ID value that is randomly applied to the clones.
Seed
Sets a random number seed for the material ID value.
Seed Randomization
Click to randomize the seed value.

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