Teaching Tech | Why 3D printer time estimates are wrong and how to fix them @TeachingTech | Uploaded 2 years ago | Updated 2 days ago
You slice a model to 3D print, observe the time estimate, only to return when it should be done to discover it has run over time. If you are trying to meet deadlines, an accurate print time prediction is essential. For everyone else, it’s a quality of life feature. In this video we explore the reasons the estimate is inaccurate, and a range of ways to fix it.

0:00 Introduction

0:37 Slicer calculation method and inaccuracy

3:43 Discrepancy 1 - Start gcode sequences

4:56 Discrepancy 2 - Speed vs acceleration

6:05 Discrepancy 3 - Jerk/junction deviation/SQV/MISC
Prusa calculator: blog.prusa3d.com/calculator_3416

7:07 Discrepancy 4 - miscellaneous

8:21 Gathering data for a fix

8:51 Simplify3D
Simplify3D forum post on preset values: forum.simplify3d.com/viewtopic.php?t=12822

9:07 PrusaSlicer / SuperSlicer

10:02 Cura

10:52 RRF print simulation

11:17 Octoprint plugin
Print time genius: plugins.octoprint.org/plugins/PrintTimeGenius

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