# Calculate internal volume

**URL:** <https://discourse.shapr3d.com/t/calculate-internal-volume/33281>\
**Category:** Modeling Questions\
**Created:** [August 13, 2024, 9:43pm UTC](https://discourse.shapr3d.com/t/calculate-internal-volume/33281 "2024-08-13T21:43:26Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Damfino](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/damfino/32/12958_2.png) [@Damfino](https://discourse.shapr3d.com/u/Damfino)\
**Post date:** [August 13, 2024, 9:43pm UTC](https://discourse.shapr3d.com/t/calculate-internal-volume/33281/1 "2024-08-13T21:43:26Z")

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I need to calculate the internal volume in a leak tester. I have a model of the part that is being tested and I’ve created separate bodies to plug the holes in the part the same way that it is done in our test rig. In SolidWorks there is a feature called “Create Internal Regions” and Fusion360 has “Boundary Fill” that would create a new body from that internal space. Is it possible to use boolean functions to do the same thing? If I can do that, I can easily measure the volume of that body.

Any help would be greatly appreciated.

 ![Manifold](https://us1.discourse-cdn.com/flex002/uploads/shapr3d/original/3X/f/7/f75f58e7217c8aa34193cbace09d2c5c673e9650.jpeg)

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**Author:** ![Oregonerd](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/oregonerd/32/8012_2.png) [@Oregonerd](https://discourse.shapr3d.com/u/Oregonerd)\
**Post date:** [August 14, 2024, 3:58pm UTC](https://discourse.shapr3d.com/t/calculate-internal-volume/33281/2 "2024-08-14T15:58:41Z")

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Years back one of the regulars recommended a different program IIRC.

Try this thread [Is it possible to calculate a volume? - #7 by Istvan](https://discourse.shapr3d.com/t/is-it-possible-to-calculate-a-volume/3793/7)

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<div class="post-metadata">

**Author:** ![Damfino](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/damfino/32/12958_2.png) [@Damfino](https://discourse.shapr3d.com/u/Damfino)\
**Post date:** [August 14, 2024, 4:48pm UTC](https://discourse.shapr3d.com/t/calculate-internal-volume/33281/3 "2024-08-14T16:48:41Z")

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Unfortunately, that method doesn’t work with this irregular shape, but I appreciate the suggestion.