How to draw an octagon using your 45 degree set square

How to draw an octagon using your 45 degree set square.

[KenziesHouse]

Tysm Anthony this is literally the easiest method I've seen so far. I'm taking it!

[curtriceennis]

Thank you for sharing this method to draw octagons. To me, it's much easier than having to draw a circle and crossed lines, first.

[riyayadav]

Thank you so much it was very helpful .

[lolygirls]

Thank you you have helped me do my homework easily

[ukwesaba]

Can this method also be applied in Isometric?