If you're interested in Toon Boom Harmony, the company offers a free trial, monthly subscriptions, and educational discounts. I’d be happy to help you find a legitimate way to get started or suggest free/open-source alternatives if you'd like.
It allows artists to manipulate 2D layers in a full 3D environment, complete with advanced camera controls that are not found in many competing tools. Deformation Tools: Toon Boom Harmony Premium 12.1 MacOS Torrent