# Howd they do it

**URL:** <https://forum.kirupa.com/t/howd-they-do-it/191064>\
**Category:** Uncategorized\
**Created:** [June 16, 2006, 8:02pm UTC](https://forum.kirupa.com/t/howd-they-do-it/191064 "2006-06-16T20:02:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ruddiger52](https://avatars.discourse-cdn.com/v4/letter/r/b3f665/32.png) [@ruddiger52](https://forum.kirupa.com/u/ruddiger52)\
**Post date:** [June 16, 2006, 8:02pm UTC](https://forum.kirupa.com/t/howd-they-do-it/191064/1 "2006-06-16T20:02:25Z")

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Can someone give me a quick explanation of how the 3d effects with rollover functions is being achieved on the following sites. Im not looking for step by step, just a general explanation on the approach. Is it a pre-rendered video sequence??

> **[Homepage](https://www.tacobell.com/)**
>
> home page description

  
[webdesign20.com](http://webdesign20.com)

Thank you for any help.