This question already has an answer here:

I want to draw a perfect rectangle. How can I do that with QGIS v.3+?

Here is a possible way to draw a rectangle in old QGIS versions.

Is there a similar solution for the latest QGIS version?

merged by underdark Feb 17 at 19:25

This question was merged with How to create polygons with straight lines and right angles in QGIS? because it is an exact duplicate of that question.

  • Please note that it is not helpful for the discoverability of good answers to duplicate questions every couple of years. You can add a bounty to draw attention to the original question once you have enough reputation. – underdark Feb 17 at 19:23

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