Крылья для костюмов из бумаги с ручным управлением

MATERIALS Wings are black posterboard coated with oil-based polyurethane varnish (water-based acrylic would wrinkle the paper) to provide some protection from rain. They are folded to mimic feathers and have not been painted. Reinforcement ribs (2 on each side) are pine dowels, the back plate is 3/4“ plywood with dados cut in an X, the main pistons/arms are waxed pine strips, string is nylon mason line, dual-purpose string guides and shoulder supports are superpex polyethylene water tubing, and pulleys and axles are wooden craft dowels. One wooden piston/rod slides under the other on the back plate. The tubing is held in place by a wooden strip that is screwed to the back plate and fits into shallow notches cut into the tubing; this allows them to rotate slightly for fit. Tubing can be shaped by slowly stretching and bending the pipe into a hook shape, without heating it. The leading edge of each wing is 30 inches (76cm) and are sized for a child with shoulder height of about 39“ (1m). This i