Thread: Rounded corners
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Old 8th March 2012, 04:49 PM   #2
Stiglr
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Location: Portland, OR
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Default Re: Rounded corners

Add equal numbers of additional vertices near each corner, then arrange these to create the curves you want at the corners. The vertices at the very corners will have to be "brought in", which you can do by simply selecting all four corner vertices and then resizing to a number like 95% or so. You can select parallel pairs of these, both horizontally and vertical and use the "align to axis" and drag them to position to preserve/restore symmetry.

Or, said another way, step by step.

1) Use the rectangle tool to draw a rectangle or square.
2) Enter Vertice mode.
3) Select Vertice > Insert Vertice two times. This will create three vertices between the corners on all sides of the rectangle.
4) Select and delete the center-most vertice on each side.
5) Still in vertice mode, select parallel vertices on the top/bottom and left/right sides of the rectangle and move them close to the corners, such that you will have three (or more) vertices that go around each corner.
6) Select each of the four corner vertices.
7) Enter 95 in the X and Y fields of the Scale tool at the left of the interface; Click the Scale button. This will move the corners in by an equal amount and create the rounded effect. Undo and try another number if you don't like the result visually. (If you choose to add a greater number of vertices around each corner, you may need to "scale" other pairs of vertices to get the result you want. The idea is to make changes in a symmetrical fashion, and not "eyeball" it.
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