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Use the Measurement tool to check the distance between two points in the scene. You can measure across the avatar, across a costume part, or between the avatar and a part to check clearance.
Orange measurement line and endpoint markers across the avatar's upper chest, labeled 29.6 cm

The Measurement tool shows a distance of 29.6 cm between two points on the avatar's upper chest.

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Activate the tool

Open the Costume viewport and click Measure, the ruler button in the toolbar above the viewport. You can also choose Edit > Measure from the menu bar.

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Measure between two points

  1. Left-click the avatar or a costume part at the point where you want to start measuring.
  2. Move the pointer toward your second point. The measurement line and distance update as you move over the scene.
  3. Left-click the second point to finish the measurement.
  4. Read the distance shown between the two endpoint markers in the viewport.
The screenshot above shows a completed measurement of 29.6 cm across two points on the avatar’s upper chest. Your result depends on the points you click and the size of your avatar or parts.
The tool measures the straight-line distance between the points in 3D. It does not follow the curve of a surface, so a measurement across the chest is not a chest circumference.

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Take another measurement

With the Measurement tool still active, left-click a new starting point. Move the pointer to preview the distance, then left-click the new endpoint. The new measurement replaces the previous one. Measuring does not move, resize, or reshape your avatar or costume parts. Choose another tool when you are ready to continue editing.

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Choose measurement units

Open Settings > Preferences, select the Measurements tab, and change Current Units. The distance readout uses your current unit setting. See measurement preferences for more information.

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Tips for choosing points

  • Orbit and zoom the Costume Viewport so you can clearly see both surfaces you want to measure.
  • Click directly on the avatar or part surface at each endpoint.
  • For a clearance check, click one point on the avatar and one on the nearby costume part. The result describes the gap between those specific points.
  • Measure again after moving or scaling a part to check the updated distance.