Drawing my blue dumbbell 3D Art - super speed up

How to draw realistically a dumbbell full (super speed up video).
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(Standard Licence)
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Mixed media (colored pencils, markers, ecoline, airbrush...) on gray paper by Marcello Barenghi.
This is one of my dumbbells. I'm using it every evening and I'm so fascinated by reflections on its blue vinyl coating :