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I want to split this top face into two separate (horizontal) faces:

enter image description here

I see that you can do this with the knife tool, but I don't know how to position the cut so that it's exactly in the centre.

Mitch
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1 Answers1

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While looking around I found this answer that talks about splitting an edge with Subdivide and thought I'd try it with two opposite edges of a face selected. Turns out it works!

First, click on Edge select:

enter image description here

Then, select the top and bottom edges, since we want to split the face horizontally. If you want to split the face vertically, select the left and right edges instead.

enter image description here

Right click somewhere in the scene (don't think it matters where) and select Subdivide from the menu:

enter image description here

Ta-da! It's split perfectly in two.

enter image description here

Now you can select each face:

enter image description here

I'd be interested if anyone has a better way of doing this, as it seems like a very common task.

Mitch
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    This is likely the best way to accomplish this task for a single face. If you want to cut the entire object in half, the Bisect tool is probably your best bet. – pixelbath Sep 25 '19 at 22:37