# shading mask stereographically

**URL:** <https://discourse.threejs.org/t/shading-mask-stereographically/37153>\
**Category:** Questions\
**Created:** [April 17, 2022, 12:45pm UTC](https://discourse.threejs.org/t/shading-mask-stereographically/37153 "2022-04-17T12:45:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![VARKAS](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/varkas/32/25661_2.png) [@VARKAS](https://discourse.threejs.org/u/VARKAS)\
**Post date:** [April 17, 2022, 12:45pm UTC](https://discourse.threejs.org/t/shading-mask-stereographically/37153/1 "2022-04-17T12:45:01Z")

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Hi guys,  
does anyone of you know how to program a shading mask stereographically visualized in three.js? If so, what would be the best way to do it?  
Here is a sample [PD: Shading Box](https://drajmarsh.bitbucket.io/shading-box.html) if you struggle to understand what I mean.