A 2x4 dolly that will turn on a 16' radius circle, yet is small
enough to glide through most any doorway.
(click thumbs for larger images) click here to SEE A VIDEO SAMPLE

New pics showing circular path made from 3/4" PVC with wood dowel connectors.
Real dolly on 360 degree track
Close-Up of PVC joint
Real dolly on Curved track
Underside showing swivel
Close-Up of wheel assembly
Another angle
Animated Dolly (from video & plans)
Sample page from PDF of plans
Animated Dolly tipped
Sample Schematic from Plans