# Why in the world would this rectangular hole make the light/shadow so rounded off?

**URL:** <https://forums.unrealengine.com/t/why-in-the-world-would-this-rectangular-hole-make-the-light-shadow-so-rounded-off/359200>\
**Category:** Rendering\
**Tags:** Lightmass, Shadows, unreal-engine, Lighting, question\
**Created:** [May 31, 2016, 10:31pm UTC](https://forums.unrealengine.com/t/why-in-the-world-would-this-rectangular-hole-make-the-light-shadow-so-rounded-off/359200 "2016-05-31T22:31:09Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Tim\_Hobson](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Tim\_Hobson](https://forums.unrealengine.com/u/Tim_Hobson)\
**Post date:** [June 1, 2016, 2:06am UTC](https://forums.unrealengine.com/t/why-in-the-world-would-this-rectangular-hole-make-the-light-shadow-so-rounded-off/359200/3 "2016-06-01T02:06:10Z")

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Hi Swiss Cheese,

If you’re adverse to looking at the official documentation this lighting troubleshooting guide can help as well.

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