I wanted to produce a creative transition between two shots wherein the wheel of a car is graphically matched with a spinning airborne frisbee. The latter was challenging to produce and after hours of pondering I managed to construct a system that allowed the frisbee to spin in its place while it was being filmed perpendicularly.
Initially, I suspended the frisbee with the help of a green string (so that it could be easily cropped out while removing the green screen in the background of the shot in After Effects CC software). However, the frisbee barely stayed horizontal while spinning due to the limited stability provided by the thin thread.
Then, I improvised by using earphones that were taped from one end to a wooden stick. Fortunately, the frisbee started to spin perfectly.
I set up everything as shown in the pictures and video above. Another out of focus shot was taken by swinging the camera from its strap. This was then used as background footage for the frisbee shot.
Testing this was extremely useful as it helped discern some of my mistakes during pre-production and production. The stick is clearly visible through the holes in the frisbee, therefore, it must be wrapped by green tape completely so that it can be cropped out along with the green screen during editing. The frisbee can be painted black and white to be more visually similar to the wheel. Painting the frisbee another colour is also necessary because its green coloured internal wings also got keyed out with the green colour of the green screen while using keying effect in After Effects CC. Moreover, It would be better to shoot this scene indoor using Omni-lights for uniform exposure on the green screen.
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