# Preform Time Estimate Error

**URL:** <https://forum.formlabs.com/t/preform-time-estimate-error/29217>\
**Category:** Support & Troubleshooting\
**Created:** [November 2, 2020, 4:26pm UTC](https://forum.formlabs.com/t/preform-time-estimate-error/29217 "2020-11-02T16:26:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pholdredge](https://avatars.discourse-cdn.com/v4/letter/p/e9bcb4/32.png) [@pholdredge](https://forum.formlabs.com/u/pholdredge)\
**Post date:** [November 2, 2020, 4:26pm UTC](https://forum.formlabs.com/t/preform-time-estimate-error/29217/1 "2020-11-02T16:26:51Z")

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Import part, build supports, etc. Ready to print.

Preform predicts a print time of 2h 15min.

After uploading to the Form3, print time shows 5h 4min. Curiously, Preform then shows print time of 5h 4min. But now I’m stuck; I can’t delete the file from the queue unless I walk down to the printer.

Running Preform 3.10.1 with elastic 50A.

Why does Preform predict a wildly different print time before uploading to the printer?

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**Author:** ![system](https://us1.discourse-cdn.com/flex025/uploads/formlabs/original/3X/5/b/5bc2bdf993ff27c2e0eecab5010b25626fbb327a.png) [@system](https://forum.formlabs.com/u/system)\
**Post date:** [November 16, 2020, 4:26pm UTC](https://forum.formlabs.com/t/preform-time-estimate-error/29217/2 "2020-11-16T16:26:56Z")

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