I saw these and thought I would share
Super flexible plywood from a novel way of cutting it - similar to the book hinge idea but allowing more than one direction of flex -
instructablesdotcom/id/Super-flexible-duble-curvature-surface-laser-cut-p/
and just in time for Halloween -
instructablesdotcom/id/Laser-Cut-Wolverine-Claws/instructablesdotcom/id/Laser-Cut-Wolverine-Claws/