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How can i subtract form a Mesh?

I cant subtract with a Brush how you can see. Did I do something wrong? alt text

Product Version: UE 4.8
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asked Jul 18 '15 at 03:41 PM in Using UE4

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2 answers: sort voted first

If you are using 4.8 those walls are static meshes. The subtractive brush will only work with other BSP brushes.

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answered Jul 18 '15 at 03:50 PM

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avatar image Tliabo Jul 18 '15 at 03:54 PM

can i subtract on a different way?

avatar image Guigsy1865 Jul 18 '15 at 03:59 PM

Not from a static mesh. You can place a BSP Box in the scene and set that to the size you would like. Then you can use the subtractive brush with it.

If you want to edit a static mesh you'll need to do that in a modeling program like Blender, 3ds max, or maya.

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Sorry to bother, but what is the difference between a static mesh and a BSP? What is a BSP?

I want to create a Room, should I Use bsp or static mesh? Also I want to use multiple times this room, like copy and paste but I don´t want to have all parts of the room separated, so what I do is to select all of them, right click and "convert to static mesh"... is this possible with bsp?

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answered Dec 29 '16 at 08:52 PM

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avatar image JoeriDijkstra Jul 15 '17 at 10:47 AM

You can! If you select all of your meshes, and then in the advanced section of your Brush Settings, there is a button called "Create Static Mesh"

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