First time I’ve had this happen, so not sure what I did. On the contour toolpath I selected outside/right, but it actually cut inside. Unfortunately I didn’t catch it in the simulation, but finally noticed it during cutting. Figured I’d forgot to choose the right option, but not the case.
Thanks for any input…
CC v6 Ryobi 5 slot toolpaths.c2d (22.1 KB)
Do you mean:
Sides profile 1-4
This is caused by them being open/unclosed vectors and not having the starting point which matches how you want inside/outside defined.
Unfortunately, Carbide Create does not have a reverse vector option, but if you joined them so that they were closed you would get the desired behaviour:
That said, you are cutting a slot almost half an inch deep, which is almost twice the diameter of the tool, it would be better to offset to the outside by endmill diameter plus 10%:
Select the offset geometry and the original:
and then cut as a pocket down to tab height or the penultimate pass:
and cut this pocket before the contour and set the contour to start at the bottom of this pocket:
To minimize air cutting and maximize efficiency you could include the rabbets in an initial cutting down to their depth.
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It is probably because of the open vectors. Click on one of the magenta line the use the join vector tool. When you click away from it it should now be black.
Repeat for the other and then you should be all set.
And the simulation with both tool paths.
It looks like @WillAdams beat me to it with an option to optimize tool paths. 
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Thank you, Will, lesson learned.
Thanks, Lester, much appreciated!
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