# \#familyinstance **URL:** https://forum.dynamobim.com/tag/familyinstance/119.md [Latest](https://forum.dynamobim.com/latest.md) · [Categories](https://forum.dynamobim.com/categories.md) · [Tags](https://forum.dynamobim.com/tags.md) --- ## [Make flying elements get hosted on closest ceiling](https://forum.dynamobim.com/t/make-flying-elements-get-hosted-on-closest-ceiling/112663)
**Author:** [@abdelrahmanelfeky6](https://forum.dynamobim.com/u/abdelrahmanelfeky6)\ **Replies:** 7\ **Last updated:** [October 14, 2025, 4:53am UTC](https://forum.dynamobim.com/t/make-flying-elements-get-hosted-on-closest-ceiling/112663 "2025-10-14T04:53:25Z")
hello i have some flying lighting fixtures with “not associated” host with a ceiling above it so is there a way using dynamo to make these elements get hosted to the first ceiling it hits in z direction? using ray or so… --- ## [How to select only bottom face of a ceiling or floor?](https://forum.dynamobim.com/t/how-to-select-only-bottom-face-of-a-ceiling-or-floor/112665)
**Author:** [@abdelrahmanelfeky6](https://forum.dynamobim.com/u/abdelrahmanelfeky6)\ **Replies:** 4\ **Last updated:** [October 13, 2025, 8:50am UTC](https://forum.dynamobim.com/t/how-to-select-only-bottom-face-of-a-ceiling-or-floor/112665 "2025-10-13T08:50:44Z")
hi iam tring to host elements using dynamo using node familyinstance.byFaceAndPoint but i cant exactly pick the bottom face as seen in picture the input of Surface.NormalAtParameter is the output of Element.Faces … --- ## [Placing instances by points always gives z=0](https://forum.dynamobim.com/t/placing-instances-by-points-always-gives-z-0/112648)
**Author:** [@abdelrahmanelfeky6](https://forum.dynamobim.com/u/abdelrahmanelfeky6)\ **Replies:** 15\ **Last updated:** [October 13, 2025, 4:44am UTC](https://forum.dynamobim.com/t/placing-instances-by-points-always-gives-z-0/112648 "2025-10-13T04:44:16Z")
Hello I have some coordinates from AutoCAD and I want to insert family instances in these points but as you can see the issue is the Z value does not read correct it’s always equal zero. TY the instance is a lighti… --- ## [FamilyInstance.ByFace with ElementFaceReference](https://forum.dynamobim.com/t/familyinstance-byface-with-elementfacereference/22928)
**Author:** [@Christian\_Pallaria](https://forum.dynamobim.com/u/Christian_Pallaria)\ **Replies:** 6\ **Last updated:** [June 9, 2025, 9:56am UTC](https://forum.dynamobim.com/t/familyinstance-byface-with-elementfacereference/22928 "2025-06-09T09:56:39Z")
Hi all, I’ve a problem with a little dynamo code: I’m trying to insert a Surface Based Familty onto a selected surface using attached code. It works good with Revit Elements (as walls, floors and roofs) but it doesn’t w… --- ## [Rotate Family instance in X or Y direction](https://forum.dynamobim.com/t/rotate-family-instance-in-x-or-y-direction/36859)
**Author:** [@vipinkr](https://forum.dynamobim.com/u/vipinkr)\ **Replies:** 20\ **Last updated:** [March 21, 2025, 10:17am UTC](https://forum.dynamobim.com/t/rotate-family-instance-in-x-or-y-direction/36859 "2025-03-21T10:17:40Z")
Dear Sir, Please help ! I am trying to place inline pump on the floor through dynamo. I did the following, but unable to do. I know, there is something that I am missing because this may be very common in use. I use… --- ## [Create FamilyType of current Document (Family) inside RFA](https://forum.dynamobim.com/t/create-familytype-of-current-document-family-inside-rfa/107746)
**Author:** [@gildraen](https://forum.dynamobim.com/u/gildraen)\ **Replies:** 5\ **Last updated:** [February 6, 2025, 12:25am UTC](https://forum.dynamobim.com/t/create-familytype-of-current-document-family-inside-rfa/107746 "2025-02-06T00:25:45Z")
Hi everyone. I’ve tried to create new FamilyType inside family file, but there’s (as i understand) no any direct way to get current family as element, which i can use to get existed familytypes to duplicate them. So, w… --- ## [Exporting family istance to DWG singularly](https://forum.dynamobim.com/t/exporting-family-istance-to-dwg-singularly/106473)
**Author:** [@l.canzian](https://forum.dynamobim.com/u/l.canzian)\ **Replies:** 14\ **Last updated:** [December 29, 2024, 8:37pm UTC](https://forum.dynamobim.com/t/exporting-family-istance-to-dwg-singularly/106473 "2024-12-29T20:37:07Z")
Hi I am trying to export a family of revit to dwg like singular object files, I have like 30 variance and I need everyone of this in a singular DWG file. In another forum they helped me to create some nodes but I need t… --- ## [Familyinstance.Bypoint on multiple families](https://forum.dynamobim.com/t/familyinstance-bypoint-on-multiple-families/105441)
**Author:** [@niels.van.hove](https://forum.dynamobim.com/u/niels.van.hove)\ **Replies:** 12\ **Last updated:** [October 29, 2024, 9:00am UTC](https://forum.dynamobim.com/t/familyinstance-bypoint-on-multiple-families/105441 "2024-10-29T09:00:37Z")
Hi, i made a script that succesfully extracts coordinates from an excel and places a family on that coordinate. Its a succes when i run the script on first of three families that need to be loaded in. However when i tr… --- ## [Why Is Dynamo Duplicating Element When Should Only Modify Existing Element](https://forum.dynamobim.com/t/why-is-dynamo-duplicating-element-when-should-only-modify-existing-element/104484)
**Author:** [@wr.marshall](https://forum.dynamobim.com/u/wr.marshall)\ **Replies:** 3\ **Last updated:** [September 20, 2024, 11:52am UTC](https://forum.dynamobim.com/t/why-is-dynamo-duplicating-element-when-should-only-modify-existing-element/104484 "2024-09-20T11:52:41Z")
I have created the following script from various sources which I have referenced in the groups in actual script and links below to accomplish certain tasks as NEW to Dynamo. I have slightly deviated from original solutio… --- ## [FamilyType based parameters not reacting when changed through Dynamo](https://forum.dynamobim.com/t/familytype-based-parameters-not-reacting-when-changed-through-dynamo/102761)
**Author:** [@mchn](https://forum.dynamobim.com/u/mchn)\ **Replies:** 8\ **Last updated:** [August 11, 2024, 9:07pm UTC](https://forum.dynamobim.com/t/familytype-based-parameters-not-reacting-when-changed-through-dynamo/102761 "2024-08-11T21:07:59Z")
Hello everyone, I’m currently working on a Dynamo script that fills parameters for multiple instances of families en masse. Generally, I’m handling parameters such as text and numerical values without any issues. Howeve… --- ## [Get FamilyInstance in FamilyDocument from project](https://forum.dynamobim.com/t/get-familyinstance-in-familydocument-from-project/102694)
**Author:** [@gitcadKGD](https://forum.dynamobim.com/u/gitcadKGD)\ **Replies:** 8\ **Last updated:** [July 12, 2024, 1:33pm UTC](https://forum.dynamobim.com/t/get-familyinstance-in-familydocument-from-project/102694 "2024-07-12T13:33:24Z")
Hi everyone, I have a project where I would like to get the FamilyInstances in a FamilyDocument. I was able to get the FamilyTypes and Families but not the FamilyInstances (the nodes show empty lists). Is there a way … --- ## [Dynamo doesn't find solid geometry in family](https://forum.dynamobim.com/t/dynamo-doesnt-find-solid-geometry-in-family/50425)
**Author:** [@Jacko](https://forum.dynamobim.com/u/Jacko)\ **Replies:** 6\ **Last updated:** [June 15, 2024, 9:52am UTC](https://forum.dynamobim.com/t/dynamo-doesnt-find-solid-geometry-in-family/50425 "2024-06-15T09:52:00Z")
Hi! I’ve got some problems with my Dynamo script. I want to add “Material” instant parameter to all selected families and associate it with Material parameter of in-family Geometry. Every family has only 1 solid geomet… --- ## [Refer to the room within a shared parameter included in a family](https://forum.dynamobim.com/t/refer-to-the-room-within-a-shared-parameter-included-in-a-family/95583)
**Author:** [@Hakim\_Boucekkine](https://forum.dynamobim.com/u/Hakim_Boucekkine)\ **Replies:** 13\ **Last updated:** [November 18, 2023, 7:22am UTC](https://forum.dynamobim.com/t/refer-to-the-room-within-a-shared-parameter-included-in-a-family/95583 "2023-11-18T07:22:55Z")
Hello Geeks, New to Dynamo and could use some help with a task. I’ve got a Revit file with rooms, each labeled with a room number in a shared parameter named “room number.” In each room, there are curtain wall panels, a… --- ## [Create Structural columns from AutoCAD](https://forum.dynamobim.com/t/create-structural-columns-from-autocad/95565)
**Author:** [@HaniTartour](https://forum.dynamobim.com/u/HaniTartour)\ **Replies:** 0\ **Last updated:** [November 16, 2023, 11:20am UTC](https://forum.dynamobim.com/t/create-structural-columns-from-autocad/95565 "2023-11-16T11:20:43Z")
Greetings , I want to share my experience for how to create revit columns from already existing AutoCAD file and how to adjust the rotation of new revit columns to match the same orientation and rotation of the origina… --- ## [Create solid from revit to dynamo](https://forum.dynamobim.com/t/create-solid-from-revit-to-dynamo/94474)
**Author:** [@olivar.wasely](https://forum.dynamobim.com/u/olivar.wasely)\ **Replies:** 17\ **Last updated:** [October 18, 2023, 4:13pm UTC](https://forum.dynamobim.com/t/create-solid-from-revit-to-dynamo/94474 "2023-10-18T16:13:08Z")
hello there, im trying to calculate the size of a revit family instance. My approach was to first get the geometry into dynamo to research further what the size is (length/ width) I cannot depend on parameters because we… --- ## [FamilyInstance.ByHostAndPoint - Instance in wrong location](https://forum.dynamobim.com/t/familyinstance-byhostandpoint-instance-in-wrong-location/61592)
**Author:** [@j.krol](https://forum.dynamobim.com/u/j.krol)\ **Replies:** 3\ **Last updated:** [March 15, 2021, 5:32pm UTC](https://forum.dynamobim.com/t/familyinstance-byhostandpoint-instance-in-wrong-location/61592 "2021-03-15T17:32:01Z")
Hi! I’ve got two models - architectural and MEP. MEP engineers just linked architectural model, so in theirs model isn’t structural elements - walls and floors. They model opennings as generic model cubes. I made a gr… --- ## [Use Family Instances as elements](https://forum.dynamobim.com/t/use-family-instances-as-elements/88325)
**Author:** [@sinah3](https://forum.dynamobim.com/u/sinah3)\ **Replies:** 12\ **Last updated:** [April 15, 2023, 3:27pm UTC](https://forum.dynamobim.com/t/use-family-instances-as-elements/88325 "2023-04-15T15:27:32Z")
Hi What is missed in between these?? I want to use these specific family instances created by Dynamo, as elements to bring each of them a parameter value. --- ## [FamilyInstance - Host ID missing](https://forum.dynamobim.com/t/familyinstance-host-id-missing/88464)
**Author:** [@aaronrumple](https://forum.dynamobim.com/u/aaronrumple)\ **Replies:** 1\ **Last updated:** [April 12, 2023, 3:02pm UTC](https://forum.dynamobim.com/t/familyinstance-host-id-missing/88464 "2023-04-12T15:02:37Z")
I have placed FamilyInstance (entourage, parking) I’m trying to collect the host from. The read-only parameter Host returns the correct string for the host. But the HostId parameter is missing. The Host and Host Face p… --- ## [Export all type/instance parameters from all loaded families to Excel](https://forum.dynamobim.com/t/export-all-type-instance-parameters-from-all-loaded-families-to-excel/88273)
**Author:** [@luana\_cs](https://forum.dynamobim.com/u/luana_cs)\ **Replies:** 2\ **Last updated:** [April 6, 2023, 1:52pm UTC](https://forum.dynamobim.com/t/export-all-type-instance-parameters-from-all-loaded-families-to-excel/88273 "2023-04-06T13:52:28Z")
Hello guys. I am new to Dynamo, and I need to do something that I thought would be simple but I wasn’t capable to do. I have a revit template document with lots of families loaded in it. What I need to do is to export a… --- ## [Place Generic Line-Based Family by FamilyInstance.ByPoint - Odd Result](https://forum.dynamobim.com/t/place-generic-line-based-family-by-familyinstance-bypoint-odd-result/87412)
**Author:** [@kenneth\_cheston](https://forum.dynamobim.com/u/kenneth_cheston)\ **Replies:** 6\ **Last updated:** [March 17, 2023, 3:01pm UTC](https://forum.dynamobim.com/t/place-generic-line-based-family-by-familyinstance-bypoint-odd-result/87412 "2023-03-17T15:01:45Z")
Hello Dynamo Community! I’ve found that FamilyInstance.ByPoint works great with families except when I use a Generic Line-Based Family. The result is that the node only places the family respective to the Z-value, but d… --- ## [FamilyInstance.ByGeometry not working in Revit 2022](https://forum.dynamobim.com/t/familyinstance-bygeometry-not-working-in-revit-2022/64469)
**Author:** [@andreitam11](https://forum.dynamobim.com/u/andreitam11)\ **Replies:** 72\ **Last updated:** [February 23, 2023, 7:01am UTC](https://forum.dynamobim.com/t/familyinstance-bygeometry-not-working-in-revit-2022/64469 "2023-02-23T07:01:19Z")
The Springs node works in Revit 2021 but when I run it in 2022 no mass is created. --- ## [Familys By Point and host, works to place in sheets?](https://forum.dynamobim.com/t/familys-by-point-and-host-works-to-place-in-sheets/83324)
**Author:** [@gilberto.arechigaiba](https://forum.dynamobim.com/u/gilberto.arechigaiba)\ **Replies:** 4\ **Last updated:** [November 23, 2022, 10:02am UTC](https://forum.dynamobim.com/t/familys-by-point-and-host-works-to-place-in-sheets/83324 "2022-11-23T10:02:23Z")
Hola Amigos buenas. I have a small problem, I want to place a Family Type Generic Annotation, it works in the model but however it does nothing when I try to place it in a Sheet, the family I can place it manually on the… --- ## [Place line family at location of wall](https://forum.dynamobim.com/t/place-line-family-at-location-of-wall/78713)
**Author:** [@kslifter](https://forum.dynamobim.com/u/kslifter)\ **Replies:** 40\ **Last updated:** [October 11, 2022, 8:43pm UTC](https://forum.dynamobim.com/t/place-line-family-at-location-of-wall/78713 "2022-10-11T20:43:44Z")
I am wanting to place a family at the same location of a wall. The idea is that walls will have parameter noting their rating. I can use that parameter to select those walls and have a rated line based family placed at … --- ## [Families-Enable Cutting In Views](https://forum.dynamobim.com/t/families-enable-cutting-in-views/77600)
**Author:** [@Chad\_Clary](https://forum.dynamobim.com/u/Chad_Clary)\ **Replies:** 6\ **Last updated:** [June 14, 2022, 1:43pm UTC](https://forum.dynamobim.com/t/families-enable-cutting-in-views/77600 "2022-06-14T13:43:12Z")
Is it possible to set the Enable Cutting in Views parameter using Dynamo? I’ve been poking around for a while now and can’t even find the parameter, let alone figure out how to set it. Almost every node I’ve tried has … --- ## [How to insert families according to Project North Angle](https://forum.dynamobim.com/t/how-to-insert-families-according-to-project-north-angle/75889)
**Author:** [@Gustavo\_Uchoa](https://forum.dynamobim.com/u/Gustavo_Uchoa)\ **Replies:** 2\ **Last updated:** [June 10, 2022, 6:25pm UTC](https://forum.dynamobim.com/t/how-to-insert-families-according-to-project-north-angle/75889 "2022-06-10T18:25:01Z")
I need to insert families in the x,y,z coordinates coming from excel to the internal shared coordinates of the revit. I believe I managed to insert them in the correct x,y,z coordinates, because if I set the north a… --- ## [Place face based family on reference plane through dynamo](https://forum.dynamobim.com/t/place-face-based-family-on-reference-plane-through-dynamo/21498)
**Author:** [@Nieman](https://forum.dynamobim.com/u/Nieman)\ **Replies:** 23\ **Last updated:** [January 10, 2020, 10:55am UTC](https://forum.dynamobim.com/t/place-face-based-family-on-reference-plane-through-dynamo/21498 "2020-01-10T10:55:27Z")
Hi, I’m trying to insert face based families through dynamo. I got it to work using the “FamilyInstance.ByFace” node, but i can only use surfaces from elements or system-families (like walls). What i want to achieve is … --- ## [Edit lot of family in a revit project?](https://forum.dynamobim.com/t/edit-lot-of-family-in-a-revit-project/75395)
**Author:** [@Eric\_Dynamo](https://forum.dynamobim.com/u/Eric_Dynamo)\ **Replies:** 7\ **Last updated:** [April 25, 2022, 9:43am UTC](https://forum.dynamobim.com/t/edit-lot-of-family-in-a-revit-project/75395 "2022-04-25T09:43:53Z")
Hi there, I would like to change a parameter value inside a lot of family loaded in a project with a SCRIPT. Anybody know how to run a script that goes inside all object in the project, change a parameter value and the… --- ## [Batch family creating from dxf files is possible?](https://forum.dynamobim.com/t/batch-family-creating-from-dxf-files-is-possible/74977)
**Author:** [@PrPr](https://forum.dynamobim.com/u/PrPr)\ **Replies:** 0\ **Last updated:** [March 30, 2022, 1:26pm UTC](https://forum.dynamobim.com/t/batch-family-creating-from-dxf-files-is-possible/74977 "2022-03-30T13:26:26Z")
Hi, i am after reaserch how to use dynamo in families but i didn’t find the nodes or topics about it. I want to create new family, import dxf and add ducts connectors. I want to create few families at ones. Is it possibl… --- ## [How to rotate/align similar families on a line/Path](https://forum.dynamobim.com/t/how-to-rotate-align-similar-families-on-a-line-path/74000)
**Author:** [@ahmadkhalaf7892](https://forum.dynamobim.com/u/ahmadkhalaf7892)\ **Replies:** 6\ **Last updated:** [March 7, 2022, 1:43pm UTC](https://forum.dynamobim.com/t/how-to-rotate-align-similar-families-on-a-line-path/74000 "2022-03-07T13:43:04Z")
Path array distance (no rotation).dyn (19.8 KB) Hello everyone , Currently I have this script in which I place families along a path(model Line) however when I am trying to use it it does not rotate the families t… --- ## [Rotating mutliple families](https://forum.dynamobim.com/t/rotating-mutliple-families/74012)
**Author:** [@ahmadkhalaf7892](https://forum.dynamobim.com/u/ahmadkhalaf7892)\ **Replies:** 8\ **Last updated:** [March 7, 2022, 8:42am UTC](https://forum.dynamobim.com/t/rotating-mutliple-families/74012 "2022-03-07T08:42:59Z")
Hello Everyone , I wanted to ask how Can I rotate/aligin these families using dynamo , The picture on the left represents how the families are placed . the picture on the right represents how I want them to be placed. … [Next page](https://forum.dynamobim.com/tag/familyinstance/119.md?match_all_tags=true&page=1&tags%5B%5D=familyinstance)