# Filename format

**URL:** <https://forum.snapmaker.com/t/filename-format/42617>\
**Category:** Feature Requests\
**Tags:** Bug-report, U1\
**Created:** [July 23, 2026, 11:45am UTC](https://forum.snapmaker.com/t/filename-format/42617 "2026-07-23T11:45:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![AndreyGrey](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.snapmaker.com/andreygrey/32/31879_2.png) [@AndreyGrey](https://forum.snapmaker.com/u/AndreyGrey)\
**Post date:** [July 23, 2026, 11:45am UTC](https://forum.snapmaker.com/t/filename-format/42617/1 "2026-07-23T11:45:58Z")

</div>

If I choose to print with extruder 4, the default file will always be named with extruder 1 filament

{input\_filename\_base}_{filament\_type[0]}_{print\_time}.gcode

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<div class="post-metadata">

**Author:** ![CrazyIvan](https://avatars.discourse-cdn.com/v4/letter/c/7bcc69/32.png) [@CrazyIvan](https://forum.snapmaker.com/u/CrazyIvan)\
**Post date:** [July 23, 2026, 11:57am UTC](https://forum.snapmaker.com/t/filename-format/42617/2 "2026-07-23T11:57:36Z")

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Moved to the Feature Request section and classified as a Bug Report.