To build:

1. print 2 of the files
2. cut a piece of fishing line to the desired length between the top and bottom
3. tread the fishing line through the center holes and tie it at the desired length
4. cut a long piece of fishing line
5. tread the fishing line between the top and bottom pieces and to the next top/bottom set of holes
6. tie the fishing line to itself
7. glue fishing line in place for extra stability