Luca Iaconi-Stewart is building a paper airplane unlike anything youve ever seen before — and its taking him years to get it just right. Iaconi-Stewarts building material of choice is the manila file folder, something he first started using in a high school architecture class. Despite all the time and effort put into the model so far, theres still a long way to go — and Iaconi-Stewarts next task might just be the most difficult yet.