# When I turn on backface culling, why are the front faces culled?

**URL:** <https://forum.techsoft3d.com/t/when-i-turn-on-backface-culling-why-are-the-front-faces-culled/314>\
**Category:** HOOPS Visualize Desktop\
**Created:** [January 13, 2021, 8:00am UTC](https://forum.techsoft3d.com/t/when-i-turn-on-backface-culling-why-are-the-front-faces-culled/314 "2021-01-13T08:00:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jonathan](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.techsoft3d.com/jonathan/32/44_2.png) [@Jonathan](https://forum.techsoft3d.com/u/Jonathan)\
**Post date:** [January 13, 2021, 8:00am UTC](https://forum.techsoft3d.com/t/when-i-turn-on-backface-culling-why-are-the-front-faces-culled/314/1 "2021-01-13T08:00:00Z")

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Your triangle handedness isn’t set or is set incorrectly.