This is a super fun little bow. The idea was taken from the Zing Fire Tek bow. It really shoots far! I designed my own arrow, but the original Zing arrows are still better, as found here: https://www.amazon.com/Zing-AM169-6-Extra-Arrows/dp/B00JYCE3ZI/ref=sr_1_1?ie=UTF8&qid=1505758623&sr=8-1&keywords=zing+arrows.
Things you need to purchase:
3 feet of elastic tubing 1/8″ OD, 1/16″ ID (https://www.amazon.com/gp/product/B00H4MTBSE/ref=oh_aui_detailpage_o04_s00?ie=UTF8&th=1&psc=1)
2 M4 screws 30 mm long
2 M4 nuts
Everything prints without supports if oriented how they are displayed. Print 4 bushings. Thread the screws through the appropriate holes and through the bushings. The bushings will allow the elastic tubing to slide out as it stretches. Cut 2 lengths of elastic tubing about 13-14 inches long. Feed the tubing down through the back of the bow so it comes out the other end. Pass it around the middle divider and feed it back through to the back. Then tie 3 knots on top of each other at each end to make a nice big knot that catches in the slot.
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