# Extract footprint from mass

**URL:** <https://forum.dynamobim.com/t/extract-footprint-from-mass/8123>\
**Category:** Geometry\
**Created:** [December 9, 2016, 10:09am UTC](https://forum.dynamobim.com/t/extract-footprint-from-mass/8123 "2016-12-09T10:09:27Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Yna\_Db](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/yna_db/32/30641_2.png) [@Yna\_Db](https://forum.dynamobim.com/u/Yna_Db)\
**Post date:** [December 11, 2016, 6:49pm UTC](https://forum.dynamobim.com/t/extract-footprint-from-mass/8123/5 "2016-12-11T18:49:38Z")

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Hello, this outer boundary method could probably help: [Get an outer boundary of multiple polygons (Room Boundaries)](https://forum.dynamobim.com/t/get-an-outer-boundary-of-multiple-polygons-room-boundaries/7177)

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