Overview
Random Material IDs is a lightweight 3ds Max material utility that automatically assigns random Material IDs to selected geometry and spline objects. Prepare assets for Multi/Sub-Object materials and create material variation in seconds.
Random Material IDs is a lightweight 3ds Max material utility that automatically assigns random Material IDs to selected geometry and spline objects. Prepare assets for Multi/Sub-Object materials and create material variation in seconds.
Random Material ID Assigner automatically assigns random Material IDs to selected geometry and spline objects.
The tool is designed for preparing assets for Multi/Sub-Object materials, material variation workflows and renderer-driven randomisation.
This tool requires an active SiNi user account and a valid licence.
The script will not function unless you are logged into the SiNi Desipher Licence Manager within 3ds Max.
If a valid licence cannot be found, functionality will be disabled until a licence is activated.


Material ID Quantity
Defines the number of Material IDs available for random assignment.
Unique IDs when quantity allows
Prevents duplicate Material IDs when enough IDs are available for all selected objects.
Apply Random Material IDs
Assigns random Material IDs to the current selection.
Display Selected Material IDs
Displays assigned Material IDs in the viewport for selected objects.

Material IDs are not changing
Ensure one or more supported geometry or spline objects are selected.
Duplicate IDs are being assigned
Enable Unique IDs when quantity allows and ensure enough IDs are available for the selection.
The tool is disabled
Log in to the SiNi Desipher Licence Manager and verify that a valid licence is active.
| 3D Software | 3ds Max |
|---|---|
| Collaborators | SiNi |
| Industry | Architectural Visualisation |
| Platform | Windows |
| Product Status | Commercial |
| SiNi User Account | Free |
| Sales Options | Free |
ALL SINI SCRIPTS must have SINI SOFTWARE Decipher License Manager installed - and ACTIVATED (More information)
Please read the Sinilab.ai Terms and Conditions page for full terms.
The scripts and products available from the SiNi Store are not to be confused with the 3ds Max plugin collections and other official products available from SiNiSoftware.com
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amitgedia –
This is a really useful script when you want to assign different materials to different material id’s like floor tiles with some varied design or parquet with different wooden textures and this way you can have control over each texture with different material id’s. Main usage fore me using this script was to make colorful floor tiles with different material id’s which I can animate and make it feel like a disco floor. Great script.