# STL models - Alignment and Volume measurement

**URL:** https://discourse.slicer.org/t/stl-models-alignment-and-volume-measurement/8364
**Category:** Support
**Created:** [September 10, 2019, 2:01pm UTC](https://discourse.slicer.org/t/stl-models-alignment-and-volume-measurement/8364 "2019-09-10T14:01:23Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [September 17, 2019, 12:29am UTC](https://discourse.slicer.org/t/stl-models-alignment-and-volume-measurement/8364/5 "2019-09-17T00:29:46Z")

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If you can accurately identify landmark points then you may use Fiducial registration wizard module (in SlicerIGT extension) to register based manually placed landmarks. See U-12 [SlicerIGT tutorial](http://www.slicerigt.org/wp/user-tutorial/) for step-by-step instructions.

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