how to maintain symmetry ?

how to make a symmetrical object? and also if i want to place a copy of an object on the other half of the artboard at a symmetrical distance from centre line, then how do i do it?

Hi pritam, you just need to turn on Smart Guides. Create a line at the center and use rectangles as a measure object of a distance from the center, here is the video how you can do that:

cannot play the video link that u send me regarding symmetry

There is a voting block to add symmetry around an axis to vectornator if you are interested.