Topmost Surface refers to the single highest top plane or region of a print. In slicers, limiting ironing to the topmost surface can save time when only the final top face matters.
How do you recognize it?
- Not a defect itself
- Useful when only the highest face needs extra surface quality
Common causes
- Selective surface-finishing strategy in the slicer
What should you check first?
- Choose it intentionally instead of ironing every solid region.
- Use it for lids, plaques and simple boxes when lower plateaus do not matter.