The Mirror Across a Line tool creates perfectly symmetrical designs in Designer.
Draw a mirror line to quickly duplicate and flip vector geometry, constrain the line horizontally or vertically, and work with the mirrored result as an editable group — useful for symmetrical signs, shapes, and decorative elements.
In this tutorial:
• Creating a mirror line
• Horizontal and vertical mirror lines
• Selecting multiple objects to mirror
• Working with mirrored groups