How to use Instant Clash

Learn how to use Instant Clash to perform live clash detection

Written by Faisal Ramady
Updated over a week ago

If you are new to 3D Repo and not aware of the feature called Instant Clash, have a read through our Understand Instant Clash article. However, if you are familiar with the concept, let's take a look at how to use the Instant Clash feature on our platform.

Activate Instant Clash

To begin with, head over to and open the federation you want to run a comparison on. In the model viewer, open the compare card by clicking on the compare icon. From here complete the following:

  1. Open the INSTANT CLASH tab in the Compare Card

  2. Select any 2 or more models for clash results

  3. Select Target and Base models
    โ€‹You can have more than one model for each category

  4. Click on the Green icon to activate Instant Clash (Click again to deactivate it)

Instant Clash Results

After you activate the Instant Clash feature, you can toggle between the models as shown below:

  • Target Model (can be more than one model)

  • Base Model (can be more than one model)

  • Compare (clash results)

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