# Is this a luminescent layer, similar to the outer rectangular edge emitting light

**URL:** <https://forum.babylonjs.com/t/is-this-a-luminescent-layer-similar-to-the-outer-rectangular-edge-emitting-light/49901>\
**Category:** Questions\
**Tags:** documentation, material\
**Created:** [April 22, 2024, 10:15am UTC](https://forum.babylonjs.com/t/is-this-a-luminescent-layer-similar-to-the-outer-rectangular-edge-emitting-light/49901 "2024-04-22T10:15:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![wudao](https://avatars.discourse-cdn.com/v4/letter/w/c77e96/32.png) [@wudao](https://forum.babylonjs.com/u/wudao)\
**Post date:** [April 22, 2024, 10:15am UTC](https://forum.babylonjs.com/t/is-this-a-luminescent-layer-similar-to-the-outer-rectangular-edge-emitting-light/49901/1 "2024-04-22T10:15:26Z")

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Similar to adding an external layer to irregular shapes

 ![2024-04-22_175730](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/9/8/9837b68e4c21043944061230fea220e551381e55.png)  
 ![waijiejuxing](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/e/1/e16869134bbbbd7823636d48e2c9687b92215564.png)

Can we create an effect similar to the one shown in the picture without emitting a glow  
Thank you, Babylon, for giving me some advice  
[https://playground.babylonjs.com/#MXWIF2#2](https://playground.babylonjs.com/#MXWIF2#2)

 ![2024-04-22_181227](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/5/8/5876d9d80ed21d3766d38c51ec19645f109c2977.png)

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<div class="post-metadata">

**Author:** ![Evgeni\_Popov](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/evgeni_popov/32/4432_2.png) [@Evgeni\_Popov](https://forum.babylonjs.com/u/Evgeni_Popov)\
**Post date:** [April 22, 2024, 10:03pm UTC](https://forum.babylonjs.com/t/is-this-a-luminescent-layer-similar-to-the-outer-rectangular-edge-emitting-light/49901/2 "2024-04-22T22:03:43Z")

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You can also use the ouline renderer (`mesh.renderOutline = true`) or the [highlight layer](https://doc.babylonjs.com/features/featuresDeepDive/mesh/highlightLayer).