...

• Click the Center and Move to Ground buttons.

• Click OK

Generate Face Groups

From the Mesh tab select Generate Face Groups

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From the pop-up, select your object, select type Accurate and click ok.

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You should see a multi-colour object if things worked out.

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Convert Mesh

From the Modify pull down, select Convert Mesh.

Select:

• Operation: Parametric
• Method: Faceted (Only option in the free version)

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Click Ok.

Reference