# 3D slicer build error

**URL:** <https://discourse.slicer.org/t/3d-slicer-build-error/28447>\
**Category:** Development\
**Created:** [March 19, 2023, 12:01pm UTC](https://discourse.slicer.org/t/3d-slicer-build-error/28447 "2023-03-19T12:01:53Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [March 19, 2023, 5:08pm UTC](https://discourse.slicer.org/t/3d-slicer-build-error/28447/2 "2023-03-19T17:08:39Z")

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You can use the built code from the slicer source to build new libraries and even full executables and applications. This is essentially what the Extension build system does so just using CMake you should be able to add anything you need.

Another option could be to create a custom application [as discussed here](https://discourse.slicer.org/t/creating-a-custom-3d-slicer/21245).

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_[View the full topic](https://discourse.slicer.org/t/3d-slicer-build-error/28447)._