Yes the thumbnail is clickbait, there's not actually a visible physical dolly in Blender, but these constraints will allow you to create a dolly, boom rig, and so much more! If you want to learn how to utilize constraints to elevate your camera workflow, this is the perfect tutorial for you. I'll show the 6 essential constraints that I use in my 3D Layout and Cinematography, that help speed up and amplify the quality of work that I'm able to create.