World of Depth

BASICS

🎥 Optimizing Anaglyphs: a Walk-Through (10/10/20): Simple but effective improvements using StereoPhoto Maker, Mac Preview, and Photopea.
Aligning and Cropping Stereopairs (1/12/20): Learn the basics of doing this manually, using almost any simple graphic programs like Mac Preview.

3D TECHNIQUES

🎥 Asymmetrical Framing of Stereopairs (4/25/20): Presented at a meeting of the New York Stereoscopic Association.

SPECIAL TOPICS

🎥 3D-Con Workshop: Artificial Intelligence For the Stereographer (8/15/21)

This workshop will show you how to use AIs of special interest to stereographers, via the free tool Google Colab, to do things like: create depth maps and stereopairs from single images, and create animations and stereoanimations. Presented at NSA 3D-Con 2021.

Ghost Stereos

🎥 How to Make 3D Sequential Ghost Stereos (9/13/20)

A step-by-step guide showing how to take them with almost any camera, and edit/assemble them using a free web program. Presented at a meeting of the New York Stereoscopic Association.

Mini-Tutorial: How to Take Sequential Ghost Stereos (9/1/20 #2)

The basics of shooting ghost stereos.

Mirror Stereos

DIY Catadioptric Rig (10/23/20)

Details on easily and cheaply assembling your own mirror rig from ready-made parts.
Getting Started With Mirror Stereos (8/31/20)

A brief written introduction, to supplement the more detailed video below.

🎥 3D-Con: DIY Catadioptric Stereos (8/15/20)

The brief theory and history of, and DIY methods for, 3D single-shot mirror stereopairs. Winner of the Best Show By a First-Time Presenter award at the National Stereoscopic Association 3D-Con 2020.

🎥 3D Slices & Shapes (6/6/21): Learn how to sp(l)ice up your stereos with some artful 3D shapes in this headache-free tutorial! All you need is a stereophoto and a graphics program with layers, such as the free online Photopea. Presented at a meeting of the Virtual Stereoscopic Community; related post: 3D Slices & Shapes.

MISCELLANEOUS

🎥 3D-Con 2021 + 2020 Special Interest Groups: 3D on Social Media (8/13/21, 8/13/20): Videos of the Special Interest Group Zoom sessions from the NSA 3D-Con 2021 and 3D-Con 2020, moderated by Gordon.