New video tutorial for Segment editor - lumbar spine segmentation for 3D printing

This is the first part of a video tutorial series that teaches how to use Segment editor. This tutorial explains how to create a 3D-printable lumbar spine segment that can be used for lumbar puncture training:

The video tutorial was created by Hilary Lia (PerkLab, Queen’s University), with help from @cpinter, @lassoan, @ungi.

Please post your comments here about how useful this tutorial format is, what did you like/what to improve, what topics/techniques/anatomical structures you would be interested in upcoming tutorials.