3D Engrave not creating sharp corners correctly

3D Engrave not creating sharp corners correctly

3D Engrave Not Creating Sharp Corners Correctly

When cutting square corner of a door profile, the tool needs to be a conical tool, with a sharp nose, as the tool will lift in the corner at the angle of the tools profile to the surface and back down to create this squared look of an internal corner on a bevelled line.

NOTE: It needs to have a needle point.



The strategy to use on EzyNest is a 3D engrave, and it will create a toolpath line that looks like below.



The 3D lift in the corner is calculated in EzyNest according to the angle specified as the “A” of the tool, see the diagram below of a setup of an 11 Degree cutter (or otherwise known as a 22 Conic). EzyNest only requires the angle of the tool from the centreline out to the profile.


NOTE: The tools you purchase might be a 45 or 11 Degree cutter, but often you will find they are not true to that angle, they might be a couple of degrees off.
When you set this angle in the EzyNest tool library, you can get a poor finish in the corners that are described below;

If we set the angle of the tool too wide, for example if the angle of the tool was 11Deg, and we mistakenly called it 22Deg, When EzyNest creates the 3D rise in the corner, it will be rising on a 22Deg which will make the tool to cut into the finished product too far. See picture below.



If we set the angle of the tool too shallow, for example if we set the angle of the same tool to 7.5Deg instead, we will make EzyNest do the 3D rise in the corner too steep, and not trim away the corner to create the sharp corner it is intended to do.


TIP: Click the attachment to download this HowTo to your desktop as a .pdf

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