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Use a standard square sheet of origami paper or thin copy paper .
For a more permanent and sturdy option, use . This heavier paper allows the bank to hold more weight without collapsing. Supplies: Cardstock (heavier than standard paper). Glue or high-tack double-sided tape . Method: Cut a template for a simple 3D cube or house shape. Bankzip
For a step-by-step visual on folding a glue-free version, watch this guide: Use a standard square sheet of origami paper