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How do I convert walls to trim, and vice versa, in 3D design?

Use the Convert 3D editing tool to create horizontal trims, brick bases, and more.

Updated this week

Whether you are adding a horizontal transition trim, creating a brick or masonry base, or adjusting window details, the 3D editing tool, Convert, lets you make clean, accurate updates directly to the 3D model.

Converting a wall to trim


The conversion tool makes it easy to transform a wall into a trim (for features like horizontal trim).

  • After creating a split, select the new wall segment

  • Click Convert to Trim from the action bar

  • The segment automatically becomes a trim and inherits the color and style of your existing trims

  • To ensure consistency, use Select All Trims to verify that your belly band matches other trim elements

Converting trim to a wall


You can also use the conversion tool to transform trim into a wall (for features like a stone base).

  • Select an existing trim segment (for example, at the base of a wall)

  • Click Convert to Wall

  • The segment now behaves like a wall surface, perfect for applying wall materials like brick or siding to create a stone base or other architectural bases

TIP: Use conversion tools to maintain realistic continuity between material types (for example, extending brick details below transition trim).

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