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Round sketch corners ​

The sketch Fillet rounds the corner where two lines meet with an arc tangent to both. Use it for rounded outlines before you extrude, such as a plate with round corners.

Access: Sketch mode toolbar > Fillet.

A rectangle with all four corners rounded

Steps ​

  1. Click Fillet.
  2. In the right panel, enter the Fillet radius.
  3. Click the corner points to round. Each click rounds one corner.

The arc gets a radius dimension you can edit later. The sharp corner stays as a construction point on both lines, so dimensions to the corner still hold.

Limitations ​

  • Only corners where exactly two lines meet can be rounded. Construction lines at the corner do not count.
  • The radius must fit on both lines.
  • To round the edges of a solid instead, use Fillet outside the sketch.

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