# Problem with placing family instances **URL:** \ **Category:** Revit\ **Tags:** revit\ **Created:** [June 24, 2016, 8:29am UTC](https://forum.dynamobim.com/t/problem-with-placing-family-instances/4698 "2016-06-24T08:29:24Z")\ **Posts on this page:** 1\ **Showing post:** 3
**Author:** ![Vikram\_Subbaiah](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/vikram_subbaiah/32/50797_2.png) [@Vikram\_Subbaiah](https://forum.dynamobim.com/u/Vikram_Subbaiah)\ **Post date:** [June 24, 2016, 2:01pm UTC](https://forum.dynamobim.com/t/problem-with-placing-family-instances/4698/3 "2016-06-24T14:01:04Z")
From what I understand, your definition seems to be working fine. The void families are inserted at the intersections. However, the wall will not be cut automatically in Revit (That’s how it works, nothing to do with Dynamo). Use the [Cut](http://help.autodesk.com/view/RVT/2016/ENU/?guid=GUID-7C940A08-1F62-465F-89BF-3800E3446FC3&_ga=1.108856578.1646315555.1461412513) command to cut the desired object with the family. EDIT: From [this post](https://forum.dynamobim.com/t/creating-wall-penetrations-based-on-mep/4706) I gathered that there is a node that does the cutting ![](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/2X/e/e90eb071e8d475399a76189e432b2b007aaa591c.png) ![](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/2X/9/9e0c31b3ab26e721374be609e1e0dad938c3ba34.png) --- _[View the full topic](https://forum.dynamobim.com/t/problem-with-placing-family-instances/4698)._