Quote Originally Posted by el french View Post
3d printed parts are only cheap if you own the printer and/or you can create the design yourself. If you're lucky, there may be a maker space near you that could help you make the parts.

p.s. You could buy a cheap printer for about the price of the four caps
There are folks out there who will print your design relatively inexpensively. My guess is that they are trying to recover some of their investment. I've used this guy (once) and was pleased with cost and result (my only complaint is that his home page automatically plays "music" - I hate that).