Activity › Forums › Apple Motion › How do I cut a chroma key shape and export it with alpha channel in motion? Apple Motion How do I cut a chroma key shape and export it with alpha channel in motion? Atiqur Sumon replied 11 years, 10 months ago 3 Members · 11 Replies Atiqur Sumon July 9, 2014 at 9:52 am what you’re trying to do Page 2 of 2 ← 1 2 Reply to this Discussion! Login or Sign Up Public All Members My Connections Only Me PublicAll MembersMy ConnectionsOnly Me Public All Members My Connections Only Me Reply to this Discussion! Login or Sign Up