# STL Model Data size

**URL:** <https://discourse.slicer.org/t/stl-model-data-size/6877>\
**Category:** Support\
**Created:** [May 22, 2019, 2:33am UTC](https://discourse.slicer.org/t/stl-model-data-size/6877 "2019-05-22T02:33:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Carlo\_Raffone](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/carlo_raffone/32/3785_2.png) [@Carlo\_Raffone](https://discourse.slicer.org/u/Carlo_Raffone)\
**Post date:** [May 22, 2019, 2:33am UTC](https://discourse.slicer.org/t/stl-model-data-size/6877/1 "2019-05-22T02:33:09Z")

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Hi to everyone! I’m pretty new with slicer and i have a little inconvenient with stl saving. I create an stl model of a human face starting from a Dicom generated by a CBCT. Final size is about 1.5 GB, too big for my workflow. Is there any method to reduce file size?

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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:** [May 22, 2019, 2:37am UTC](https://discourse.slicer.org/t/stl-model-data-size/6877/2 "2019-05-22T02:37:18Z")

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See this topic for instructions:

> [@Size of STL/OBJ files - too many triangles](https://discourse.slicer.org/t/size-of-stl-obj-files-too-many-triangles/5137):
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> Operating system: windows 10 Slicer version:4. 10 Expected behavior: Actual behavior: Hi everyone, Is there a way to compress the size of 3D models before exporting them as STL or OBJ format. Sometimes these are about 100 MBs and its difficult to put them in presentations. Thanks, Sarv

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**Author:** ![Carlo\_Raffone](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/carlo_raffone/32/3785_2.png) [@Carlo\_Raffone](https://discourse.slicer.org/u/Carlo_Raffone)\
**Post date:** [May 22, 2019, 8:13am UTC](https://discourse.slicer.org/t/stl-model-data-size/6877/3 "2019-05-22T08:13:26Z")

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I’m sorry but i searched for the discussion and i didnt find it, so i asked. Thank you very much