How to add hotspot to 3d models?

[looeee]

Also see this previous post

How to create Sketchfab like annotations with Three.js?

@makc That nearly works, but you want the marker to have opacity 1 when in front of the object and 0.3 when behind the object. It’s not obvious when you use a cube but if you switch to a sprite you’ll see that doesn’t work as a marker.