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Tool has .75" of flute but a max stepdown of 1" generates without a warning:
The text in the text field usually turns red and asks if the user is sure so there are no crashes/rubbing/etc.
Same tool but with a 2d contour does throw a warning as expected:
- Apple M1 Max rMBP A2485 // Latest MacOS // Latest Fusion
- Usually working off files uploaded to Fusion as: Step, STL, SLDPRT. If it matters ask me.
Solved! Go to Solution.
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it's something in your file for sure, even using other tools from my library it repeats the issue.
Deriving a 3D contour with a 5. stepdown is also allowed.
Was this made from a template? I wonder if somehow you overrode the part of the expression that checks against ToolFluteLength
Math.min(tool_fluteLength * 0.75; tool_diameter * 2.5)
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File was originally a step file. The toolpath was not created from a template or copy/pasted.
When resetting the expresion to the system default I experience the same behaviour:
- Apple M1 Max rMBP A2485 // Latest MacOS // Latest Fusion
- Usually working off files uploaded to Fusion as: Step, STL, SLDPRT. If it matters ask me.
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If I open a different file > create a new 3D adaptive > select the 1/4 tool (*from either my local library where it has been saved for 3-4+ years or from the file this OP is about in the open documents section of the tool library) I experience the same issue.
*
- Apple M1 Max rMBP A2485 // Latest MacOS // Latest Fusion
- Usually working off files uploaded to Fusion as: Step, STL, SLDPRT. If it matters ask me.
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yes, as I said for some reasion your system default was changed from "Math.min(tool_fluteLength * 0.75; tool_diameter * 2.5)" like it is on my end.
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Hi yes. It's possible I accidentally overrode the default. So typically I'd assume reverting back to the system default would resolve this but not in this case for some reason?
- Apple M1 Max rMBP A2485 // Latest MacOS // Latest Fusion
- Usually working off files uploaded to Fusion as: Step, STL, SLDPRT. If it matters ask me.
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No, I'm seeing that same behavior on my native files and tools as well (no warning when specifying deeper Max depth than tool allows for). I'll investigate more this evening.

Seth Madore
Customer Advocacy Manager - Manufacturing
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This is logged as CAM-48336, thanks for bringing it to our attention!

Seth Madore
Customer Advocacy Manager - Manufacturing
Fusion