# \#meshbooleanunion

**URL:** https://discourse.mcneel.com/tag/meshbooleanunion/1222.md

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## [Failed Boolean Union](https://discourse.mcneel.com/t/failed-boolean-union/192405)

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**Author:** [@Simona\_Mannucci](https://discourse.mcneel.com/u/Simona_Mannucci)\
**Replies:** 16\
**Last updated:** [October 5, 2024, 1:55pm UTC](https://discourse.mcneel.com/t/failed-boolean-union/192405 "2024-10-05T13:55:59Z")

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provaxsimo.gh (14.5 KB) unione cubetti.3dm (1.4 MB) Hello, I have a problem with the geometry in the file, I tried to unite the cubes in rhino and grasshopper but both ways have failed. Do you have any idea how I can m…

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## [Join Meshes with coinciding faces](https://discourse.mcneel.com/t/join-meshes-with-coinciding-faces/168792)

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**Author:** [@benzo](https://discourse.mcneel.com/u/benzo)\
**Replies:** 10\
**Last updated:** [November 17, 2023, 3:47pm UTC](https://discourse.mcneel.com/t/join-meshes-with-coinciding-faces/168792 "2023-11-17T15:47:08Z")

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I try to describe the problem I’m having as good as possible. I have a rather complicated mesh which is like a shell (I’m trying to design grillz). When I add a cube to this model, there is a part of this cube that is …

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## [Rhino 8 Feature: Mesh Booleans updated with improved results](https://discourse.mcneel.com/t/rhino-8-feature-mesh-booleans-updated-with-improved-results/151420)

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**Author:** [@scottd](https://discourse.mcneel.com/u/scottd)\
**Replies:** 9\
**Last updated:** [May 16, 2023, 11:11pm UTC](https://discourse.mcneel.com/t/rhino-8-feature-mesh-booleans-updated-with-improved-results/151420 "2023-05-16T23:11:45Z")

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The ability to Trim, Union, Subtract, and Split mesh geometry is critical when working with imported models. We continue to re-write new mesh commands to work on models that would previously fail. Results of boolean ha…

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## [Cut circular shape out of 3d map mesh](https://discourse.mcneel.com/t/cut-circular-shape-out-of-3d-map-mesh/158248)

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**Author:** [@Nicolas\_Widmer](https://discourse.mcneel.com/u/Nicolas_Widmer)\
**Replies:** 0\
**Last updated:** [April 13, 2023, 4:24pm UTC](https://discourse.mcneel.com/t/cut-circular-shape-out-of-3d-map-mesh/158248 "2023-04-13T16:24:04Z")

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Hi, I would’t even call myself a beginner but I have been experimenting a little bit and wanted to try different things I couldn’t find any tutorials about. I’m trying to cut this shape out of this mesh of buildings ju…

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## [Join Meshes - Manifold and Solid](https://discourse.mcneel.com/t/join-meshes-manifold-and-solid/152326)

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**Author:** [@Dominic\_Large](https://discourse.mcneel.com/u/Dominic_Large)\
**Replies:** 3\
**Last updated:** [December 20, 2022, 12:23pm UTC](https://discourse.mcneel.com/t/join-meshes-manifold-and-solid/152326 "2022-12-20T12:23:57Z")

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Hello, I am trying to Boolean Union two Meshes. They start as one Closed Brep and one Closed SUbD from the Multi-Pipe command. I am intending to Metal 3D Print the final union so I need a solid / closed object (prefera…

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## [Rhino WIP: Activated new mesh Booleans](https://discourse.mcneel.com/t/rhino-wip-activated-new-mesh-booleans/149930)

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**Author:** [@piac](https://discourse.mcneel.com/u/piac)\
**Replies:** 6\
**Last updated:** [December 2, 2022, 6:21pm UTC](https://discourse.mcneel.com/t/rhino-wip-activated-new-mesh-booleans/149930 "2022-12-02T18:21:36Z")

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Hi all just a heads-up – we swapped all MeshBoolean commands to the new intersector in Rhino WIP. Please be on the lookout for any strange behavior or crashes. If you notice them, please let me know. All old commands …

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## [Unable to use 'create solid' or 'Boolean Union'](https://discourse.mcneel.com/t/unable-to-use-create-solid-or-boolean-union/110362)

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**Author:** [@ashlyn.wiege](https://discourse.mcneel.com/u/ashlyn.wiege)\
**Replies:** 2\
**Last updated:** [November 4, 2022, 3:20pm UTC](https://discourse.mcneel.com/t/unable-to-use-create-solid-or-boolean-union/110362 "2022-11-04T15:20:07Z")

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I am new to Rhino so this might be a fairly obvious fix… I created a pattern in grasshopper and created a series of rails that I am trying to join into a solid for 3D printing purposes. However, I keep getting errors wh…

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## [MeshBooleanUnion improvements?](https://discourse.mcneel.com/t/meshbooleanunion-improvements/96421)

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**Author:** [@Helvetosaur](https://discourse.mcneel.com/u/Helvetosaur)\
**Replies:** 8\
**Last updated:** [February 13, 2020, 2:00pm UTC](https://discourse.mcneel.com/t/meshbooleanunion-improvements/96421 "2020-02-13T14:00:56Z")

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Still some progress to be made… Would be nice if in the file below, MeshBooleanUnion could put the meshes together into closed volumes without destroying everything. The WIP is slightly better than V6, but there is sti…