# Which node or nodes can use to create a duct

**URL:** <https://forum.dynamobim.com/t/which-node-or-nodes-can-use-to-create-a-duct/24698>\
**Category:** Uncategorized\
**Created:** [August 10, 2018, 2:34pm UTC](https://forum.dynamobim.com/t/which-node-or-nodes-can-use-to-create-a-duct/24698 "2018-08-10T14:34:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![shibujoseukken](https://avatars.discourse-cdn.com/v4/letter/s/b19c9b/32.png) [@shibujoseukken](https://forum.dynamobim.com/u/shibujoseukken)\
**Post date:** [August 10, 2018, 2:34pm UTC](https://forum.dynamobim.com/t/which-node-or-nodes-can-use-to-create-a-duct/24698/1 "2018-08-10T14:34:55Z")

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which node or nodes can use to create a duct

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**Author:** ![Renzoj14](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/renzoj14/32/49196_2.png) [@Renzoj14](https://forum.dynamobim.com/u/Renzoj14)\
**Post date:** [August 10, 2018, 3:58pm UTC](https://forum.dynamobim.com/t/which-node-or-nodes-can-use-to-create-a-duct/24698/2 "2018-08-10T15:58:31Z")

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you’re possibly loking at “family by geometry” or “Family instance by point” hard to tell without more info/screenshot/description