Optimize Fabrication part length in Revit

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In Revit, you can use the Optimize Lengths tool to optimize the length of placed

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or converted straight parts that do not match standard lengths.

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To begin this exercise, hover your cursor over a straight fabrication part, and then press TAB to highlight the chain of connected parts.

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Then, click to select the highlighted parts.

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Using the Filter tool, de-select the duct fittings from the selection set to ensure that only ductwork lengths are optimized.

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On the contextual ribbon, click Optimize Lengths.

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This tool will add, remove, or modify the length of straight fabrication parts to maximize the number of standard-length segments,

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as defined in your fabrication configuration.

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Depending on the initial length of any given part, note that the tool might place a small segment to make up any differences.

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If this occurs, you can select the part and use the Reposition Part control in the drawing area to move it to the other end of the straight run.

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Also, it is important to know that straight parts that are pinned or part of a palette will not be optimized.

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Revit makes it easy to optimize the straight lengths of generic ductwork by adding or modifying lengths of straight segments.