Help centreFeatures
Mirror a body
Mirror makes a reflected copy of bodies across a plane or a flat face. Model one half of a symmetric part and mirror it to get the other.
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Pick Mirror in the Features group of the rail.

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Click the body to mirror. In the tray, choose the Plane to reflect it across — here the YZ plane, which passes through the origin.

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Click Mirror at the foot of the tray. The reflected copy appears on the other side of the plane. Zoom Extents (Shift+Z) frames both.

Good to know
- Pick a face in the tray to mirror about a flat face of the model instead of an origin plane; the mirror then follows that face through later edits.
- Construction planes are offered in the tray's list too, when the model has any.
Recorded in Kozorosa by the help recorder, which checked that the result is in the model.

