I'm new to Blender and currently watching tutorials on modeling. In this video, at 6:50, the person adds a Plane mesh that is already in a octagon form; it has 4 vertices but looks like an octagon. I've been trying to find out how he did this but can't find out the answer.
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1$\begingroup$ Could you be more specific. I see two planes, but not an octagon. You can add up to 2 screenshots to further explain your problem. $\endgroup$– Shady PuckCommented Jun 4, 2016 at 18:30
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$\begingroup$ The guy does add in 2 planes but they look like octagons as seen by 6:57. When I try to add in a plane in my project, they look like complete circles. $\endgroup$– Michael NguyenCommented Jun 4, 2016 at 18:44
2 Answers
The guy does not have Screencast Keys enabled, but if he did, you would know that he keyed Ctrl + 1 (1, not Numpad 1), which is the keyboard shortcut for adding a Subdivision surface modifier immediately after adding the plane.
If Ctrl + 1 doesn't work for you, you can go to the Properties panel > Object modifiers tab and add a Subdivision Surface modifier manually. Even if you use the shortcut, you still need to tweak the settings in that tab. A normal Subdivision Surface modifier looks like this:
To have an octagon out of a square (4 vertices) add a subsurf modifier
To make a real octagon add a mesh>Circle and make it 8 vertices: