# Print out normal vector at each edge of border elements

**URL:** https://community.freefem.org/t/print-out-normal-vector-at-each-edge-of-border-elements/3728
**Category:** General Discussion
**Created:** [February 5, 2025, 5:06pm UTC](https://community.freefem.org/t/print-out-normal-vector-at-each-edge-of-border-elements/3728 "2025-02-05T17:06:45Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Hemanta822](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/hemanta822/32/2596_2.png) [@Hemanta822](https://community.freefem.org/u/Hemanta822)
#### Post date: [February 5, 2025, 5:06pm UTC](https://community.freefem.org/t/print-out-normal-vector-at-each-edge-of-border-elements/3728/1 "2025-02-05T17:06:45Z")

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Hi All,

Is there any way to print out normal vector at each edge of the border (or boundary) elements. Please let me know. Thank you.