# Top Surface Ugly

**URL:** <https://forum.snapmaker.com/t/top-surface-ugly/13496>\
**Category:** Snapmaker 2.0 (3-in-1)\
**Created:** [December 28, 2020, 11:45am UTC](https://forum.snapmaker.com/t/top-surface-ugly/13496 "2020-12-28T11:45:29Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Streupfeffer](https://avatars.discourse-cdn.com/v4/letter/s/f9ae1b/32.png) [@Streupfeffer](https://forum.snapmaker.com/u/Streupfeffer)\
**Post date:** [December 28, 2020, 1:41pm UTC](https://forum.snapmaker.com/t/top-surface-ugly/13496/2 "2020-12-28T13:41:11Z")

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Maybe check yout this thread? Form the smal things on the Surface, you might getting overextrusion which over time presses out tomuch filament and leaves this “worms” [Extruder Calibration a must](https://forum.snapmaker.com/t/extruder-calibration-a-must/7724/65)

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