Render an SCNGeometry as a wireframe

Question

I\'m using SceneKit on iOS and I have a geometry I want to render as a wireframe. So basically I want to draw only the lines, so no textures.

I figured out that I could

Answer 1

Try setting the material fillMode to .lines (iOS 11+, and macOS 10.13+):

sphereNode.geometry?.firstMaterial?.fillMode = .lines