# how to combine two different vtk file?

**URL:** <https://discourse.vtk.org/t/how-to-combine-two-different-vtk-file/9170>\
**Category:** Support\
**Tags:** file-formats\
**Created:** [August 18, 2022, 7:21am UTC](https://discourse.vtk.org/t/how-to-combine-two-different-vtk-file/9170 "2022-08-18T07:21:25Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![amaclean](https://discourse.vtk.org/user_avatar/discourse.vtk.org/amaclean/32/224_2.png) [@amaclean](https://discourse.vtk.org/u/amaclean)\
**Post date:** [August 19, 2022, 3:10am UTC](https://discourse.vtk.org/t/how-to-combine-two-different-vtk-file/9170/2 "2022-08-19T03:10:20Z")

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Please see [How to merge two PolyData into one](https://discourse.vtk.org/t/how-to-merge-two-polydata-into-one/4431)

Essentialy you need to read in each file and merge them using vtkAppendPolyData----\>vtkCleanPolyData as mentioned there.

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