How to draw outline around a SCNNode like on Xcode's scene editor

Hello, I'm kinda new in 3D and SceneKit. I'm trying to make a object selection and want it to look like on Xcode's Scene Editor.

example

Replies

Here is an SCNTechniqueGlow example of a "glow" outline using an SCNTechnique.

https://github.com/laanlabs/SCNTechniqueGlow


Hope that helps!