I have path I want to cut out with a CNC router.

The router, however, has a min drill size that can't reach tiny crevices.

Is there a way I can constrain a path to a minimum angle? For example, "Outset" but only on those parts of the path that are too narrow and not the entire path.

Simplified example of some narrow inner angles: inner angle


You could select the corner node using the Edit Paths by Nodes Tool (F2), and turn it into a symmetrical smooth node by clicking on the Make Selected Nodes Symmetric button, and then adjust the Bézier handles to make a gap just big enough for the drill bit.

For example:

enter image description here

  • In the next Inkscape version, there will be an option to do something similar automatically, using the 'fillet/chamfer' live path effect, where one can define a radius for the corners. Currently, this needs to be done manually. – Moini Oct 24 '18 at 13:52
  • @Moini - that sounds like a nice feature. I look forward to trying it out. – Billy Kerr Oct 24 '18 at 17:12
  • It is :) Screenshots, video and an incomplete description here: wiki.inkscape.org/wiki/index.php/Release_notes/… – Moini Oct 25 '18 at 11:06
  • Oh, and you can try it out any time: inkscape.org/release/master/?latest=1 – Moini Oct 25 '18 at 11:08

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