# How to load with CTKWidgets and qMRMLWidgets

**URL:** <https://discourse.slicer.org/t/how-to-load-with-ctkwidgets-and-qmrmlwidgets/5917>\
**Category:** Development\
**Created:** [February 25, 2019, 2:33pm UTC](https://discourse.slicer.org/t/how-to-load-with-ctkwidgets-and-qmrmlwidgets/5917 "2019-02-25T14:33:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mr.wyr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/mr.wyr/32/3347_2.png) [@Mr.wyr](https://discourse.slicer.org/u/Mr.wyr)\
**Post date:** [February 25, 2019, 2:33pm UTC](https://discourse.slicer.org/t/how-to-load-with-ctkwidgets-and-qmrmlwidgets/5917/1 "2019-02-25T14:33:21Z")

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I read [https://www.slicer.org/wiki/Documentation/Nightly/Developers/Tutorials/QtDesigner](https://www.slicer.org/wiki/Documentation/Nightly/Developers/Tutorials/QtDesigner),and set the environment variable `QT_PLUGIN_PATH` to the directory _Slicer-build/bin_,but widgets do not appear in Qt Designer

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**Author:** ![adamrankin](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/adamrankin/32/155_2.png) [@adamrankin](https://discourse.slicer.org/u/adamrankin)\
**Post date:** [February 25, 2019, 2:54pm UTC](https://discourse.slicer.org/t/how-to-load-with-ctkwidgets-and-qmrmlwidgets/5917/2 "2019-02-25T14:54:29Z")

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Does running  
`<cmake-build-dir>\Slicer-build\Slicer.exe --designer`  
not provide those widgets?

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**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [February 25, 2019, 2:56pm UTC](https://discourse.slicer.org/t/how-to-load-with-ctkwidgets-and-qmrmlwidgets/5917/3 "2019-02-25T14:56:22Z")

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Also make sure Slicer and QtDesigner is built using the same build mode. If you use a precompiled Qt version then you need Slicer Qt designer plugins built in Release mode.