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: Tape a long wooden dowel to a base layer of cardstock to ensure the paper doesn't bend.

For a visual step-by-step, many creators on YouTube offer printable templates to make the process more precise. Watch Sword Art Online 12

: If you're looking for the source material, this volume covers the middle of the Alicization arc. Part 2: DIY Paper Prop — "The Elucidator" : Tape a long wooden dowel to a