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Sets the corner radius of a Figma node. You can apply the same radius to all corners or control each corner individually.

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Parameters

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nodeId
string
required
The ID of the node to modify
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radius
number
required
Corner radius value in pixels (minimum: 0)
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corners
boolean[]
Array of 4 booleans to specify which corners to round: [topLeft, topRight, bottomRight, bottomLeft]. Defaults to [true, true, true, true] (all corners)

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Response

Returns the name of the modified node and confirms the corner radius change.

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Per-corner control

The corners parameter allows you to selectively round specific corners. Each boolean in the array controls one corner:
  • corners[0] - Top-left corner
  • corners[1] - Top-right corner
  • corners[2] - Bottom-right corner
  • corners[3] - Bottom-left corner
Set a boolean to true to apply the radius to that corner, or false to keep it sharp (0px radius).

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Examples

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Round all corners equally

{
  "nodeId": "123:456",
  "radius": 8
}

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Round only top corners

{
  "nodeId": "123:456",
  "radius": 12,
  "corners": [true, true, false, false]
}

​
Round only bottom-left corner

{
  "nodeId": "123:456",
  "radius": 16,
  "corners": [false, false, false, true]
}

​
Round right side corners

{
  "nodeId": "123:456",
  "radius": 10,
  "corners": [false, true, true, false]
}
For pill-shaped buttons or cards, set the radius to half the node’s height and round all corners.

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