# Bone segmentation to create 3D-printable STL

**URL:** <https://discourse.slicer.org/t/bone-segmentation-to-create-3d-printable-stl/960>\
**Category:** Support\
**Created:** [August 28, 2017, 1:43pm UTC](https://discourse.slicer.org/t/bone-segmentation-to-create-3d-printable-stl/960 "2017-08-28T13:43:59Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![deepmech](https://avatars.discourse-cdn.com/v4/letter/d/e0b2c6/32.png) [@deepmech](https://discourse.slicer.org/u/deepmech)\
**Post date:** [September 9, 2017, 1:04pm UTC](https://discourse.slicer.org/t/bone-segmentation-to-create-3d-printable-stl/960/15 "2017-09-09T13:04:25Z")

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hello sir  
in segment editor module when i am clicking on color option to change it, it didn’t showing

 ![post](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/3/6/364fea07f5304d6efa3677a7ae388367855765a1.png) option

also sir you told made separate segment for cortical and cancellous bone, how???  
what i understand that every bone has outer layer is of cortical bone, how to develop the bone layer exactly above the cancellous of exact dimension.

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