© Dave Brill 1975-2018, © Assia Brill 2005.
These diagrams are for private use only. Please do not distribute without prior permission. Any commercial use must be agreed with me beforehand.
Thank you for respecting my work and international copyright laws.
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Toys and working origami
Boxes and containers
Diagrams © Dave Brill 1975-2019, © Assia Brill 2005