Hi, I’ve been trying to use Dynamo to script a way to easily 3D print models, as it has an export to STL function. I’ve been successful so far, but I’ve been wanting to fill in the inside of the house to make 3D printing easier. I was wondering, is there a way to use the outside faces (or entities) …

Hi Comial, Just to answer your query in reverse… The room should be bounded by the roof, but it’s a Revit issue, if you drop in a section to see the extents of the room, then go to Architecture > Room & Area > Computations > Areas and Volumes need to be selected. [Clip] Mesh Toolkit, Springs and…

Got permissions, here’s my dyn. Home.dyn (15.8 KB) [Capture2]

@Comial This discussion should help… [image] 3D Print from Revit Revit Hi All, I would like to 3D print my Revit, this blog describes a process where you build a mass within your Revit file which is exported. I would like to automate the process of creating the mass. …

After I posted I found that discussion just looking around, but didn’t have success with the script (graph?) you created, as the model still was hollow on the inside - it just filled in any gaps in the walls like doors and windows, which I had left out intentionally as it gave a better contrast in m…

[image] Comial: doors and windows, which I had left out intentionally Won’t work if you do so. Can’t have holes in the exterior walls, if you want to flood fill. Check if it works with doors and windows. Can look at refining the end product next.

Added doors and windows, still didn’t flood fill. No holes in the exterior if i just stop at the element.solid, and it just made the side with the door flat so you couldn’t see the door when i did the whole script. Home.dyn (51.9 KB)

[image] Comial: make a a bunch of poly surfaces then extract a solid? This might work only if the structure is a simple extrusion of the plan. [image] Comial: Added doors and windows, still didn’t flood fill. Could you post a stripped down Revit file here?

Ok, so I found a different solution, I used category (room) > category.element > element.geometry. As long as I rooms are in the houses, it filled in the inside but left the doors and windows alone so they weren’t just flat (I did end up adding them like you said, but before they were just ending up…

I did it! Here’s my Dyn finished.dyn (46.7 KB), if you want you can test it to see if it works on any of your models. [image] The script looks through all room areas, then filters out all the rooms that have a area of 0, an area of which only unplaced rooms have. Then it takes the remaining rooms a…

Hi Comial, Congratulations on getting this to work, just a couple of things which might be of interest… As you’ve correctly worked out, you don’t need to union all the elements, it’s enough just to export all the separate solids and the printer will be able to handle printing them. You could ther…

Fill in inside of building

Geometry

Comial June 20, 2018, 9:04pm 7

Could you use this Walls outer perimeter faces and then with the outside faces, make a a bunch of poly surfaces then extract a solid?

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Fill in inside of building

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