Inlay Not carving Correctly

Hello all, I’m making an inlay cutting board for my girlfriend’s parents but I’m running into an issue i haven’t had with inlays before. I just finished up a big inlay project so i figured no problem but it seems as though the plug and the Inlayed piece don’t match.


Right above the rear wheel you can see that the line isn’t cut at all, but it is very distinct on the walnut portion. Is this just a limitation of carbide create? Any ideas?
Thanks, Hud


Heres what i see in carbide create

Please try this file in v8.

If it still doesn’t work you’ll probably need to edit the ends of the more detailed areas — an easy way to do this is with the “Corner Tool”:

just set it to a suitably small value.

If you still have difficulties, upload the file and we will look into it with you.

Hello Will, thanks for helping me out i appreciate it. I downloaded v8, same problem, Tried corner tool and it doesn’t seem to recognize the sharp corner at all. I’ll upload my file feel free to try your hand on it but im stumped!
MustangPlug.c2d (336 KB)

One concern is that there are two vectors for one outline:

Deleting the redundant shape:

while it doesn’t fix the problem, does simplify things.

If we then go into Node Edit:

we see that there is a single sharp node at the end:

As noted, the easiest fix is the Corner Tool:

Set to a very small value (0.0010)

OK

and when we check on the toolpath (and delete the one added to the extra geometry) we see that the toolpath reaches to the (now rounded) tip:

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This is a known bug/feature of the program-- if a feature is too “pointy” the tool path won’t extend to the end. Even the most microscopic rounding of the point or addition of a second node at the end of the point that doesn’t change the point in any visible way will cause the tool path to extend to the end of the point. If your design includes sharp points you need to inspect the tool paths carefully for this issue and manually correct as needed.

It’s cutting exactly what is shown in the toolpath preview. The toolpath ends well short of the end of your design. I’ve had similar issues with inlays. One solution is to use a narrower V bit (like a 30 degree instead of a 60 degree). Another solution is to widen that line and round the pointy tip of the line, so the tool will cut to the end and also make the inlay deeper. Deeper is better so you don’t sand away the details.

This is a problem how Carbide Create analyzes the geometry, a narrower tool won’t help.

At this time the workaround is to edit the geometry to remove the sharp point.

Thank you all for your help, i have it working now. The corner tool wasn’t recognizing any valid corners because i had by radius set to high which is obvious now.

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