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Proposal: Arts and Crafts
Probably you can upvote these so that the many people see it.
Crafts reddit: https://www.reddit.com/r/crafts/comments/3hjtz6/arts_and_crafts_qa_website_on_stackoverflows/
Drawing reddit: https://www.reddit.com/r/drawing/comments/3hjv1i/arts_and_crafts_qa_website_on_stackoverflows/
Painting reddit: https://www.reddit.com/r/painting/comments/3hjw3y/arts_and_crafts_qa_website_on_stackoverflows/