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I am trying to create a rhomboid, i.e. a four-sided polygon with two pairs of parallel sides but with no right angles. I know how to create rectangles using the Shape Digitizing Toolbar, but is there also a way to create a parallelogram with non-right angled corners?

I am using QGIS 3.14.16.

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  1. You can use the Shape Digitizing toolbar to draw a rectangle

  2. Select the Vertex Tool and click on, for example, the top edge of your rectangle (not at the center as we don't want to create a new vertex) and slide your mouse up/down and left/right to create a rhomboid.

demo gif

p.s. : the QGIS links are for QGIS version 3.10 as the OP question is for 3.14

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    I have tried to follow your advice, but when using the Vertex tool, I only manage to move the vertices of my polygon around, without knowing if I am creating a true rhomboid. I can try to make it look like a rhomboid, but I don't know if the sides of my polygon are truly parallel. Did I miss something?
    – Jama
    Commented Dec 27, 2022 at 11:06
  • @Jama: I added a GIF for demo. Commented Dec 27, 2022 at 11:32
  • Now I got it. Thank you!
    – Jama
    Commented Dec 27, 2022 at 11:43
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    Please, @Jama then mark as accepted J. Monticolos answer.
    – Mayo
    Commented Jan 2, 2023 at 16:23

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