Blender Daily writes: Constraints are an awesome toolset for your Blender projects. In this video Nik demonstrates a few practical examples on how you could use them. You’ll learn how to get a camera and lights to follow an object, rig a gear and make a plane always face the camera.
from BlenderNation https://www.blendernation.com/2021/01/02/how-to-use-constraints-in-blender-quick-tips/
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