# TAZ6 - PETG first layer issue

**URL:** <https://forum.lulzbot.com/t/taz6-petg-first-layer-issue/22645>\
**Category:** LulzBot TAZ\
**Created:** [November 22, 2020, 9:21pm UTC](https://forum.lulzbot.com/t/taz6-petg-first-layer-issue/22645 "2020-11-22T21:21:50Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![intelinc](https://avatars.discourse-cdn.com/v4/letter/i/b5a626/32.png) [@intelinc](https://forum.lulzbot.com/u/intelinc)\
**Post date:** [December 1, 2020, 11:17pm UTC](https://forum.lulzbot.com/t/taz6-petg-first-layer-issue/22645/2 "2020-12-01T23:17:00Z")

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Interesting. A print that big will surface any problems with bed levelling that might otherwise go unnoticed. Since the issue presents itself at opposite corners, it could be a tilt not properly offset by the autolevel process. Have you [shimmed the bed on your taz](https://forum.lulzbot.com/t/solved-taz-6-auto-leveling-is-0-5mm-off-now-perfect-to-0-01mm/6250/24)?

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