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Toolpath issues with a Shapeoko 3XXL and carbide motion
We are using Fusion360 and a Shapeoko 3XXL. We are having some weird toolpaths that are kinda offset from what the G-code shows. We are basically cutting a contour of a rectangle but the toolpath does not end where it began. It is offset by about 1/32". It is so weird. The Gcode looks correct but it consistently cuts with the offset. G-cade is attached,
Here is a picture of what we are getting.
Here is a screenshot of the tool path. As you can see the toolpath looks correct,
We are at our wits end. We have new belts, new V-wheels. The machine is mounted to a granite table. Everything seems square.
Anyone have any issues with the firmware or anything like that. Any help would be great!!
Thanks!
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Would you be able to share your Fusion file here?
File > Export > Save to local folder, return to thread and attach the .f3d/.f3z file in your reply.

Seth Madore
Customer Advocacy Manager - Manufacturing
Fusion