Symetric drawing
to line
to square
to triangle
to shape defined by user
1
vote
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Illustrator today has a way to apply symmetry to a chosen art, with using Object > Repeat > Mirror command. It can be applied to a singular object or to a group.
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While standard Mirror Repeat is an intended way of using symmetry in Illustrator, there are other third-party solution to this, including free MirrorMe plugin form Astute Graphics: https://astutegraphics.com/plugins/mirrorme