Tell us about yourself!
Is your Spool Holder model a solid piece of plastic? It could be printed more cheaply if it were hollow. I'm getting an estimate to print this, and it's by far the most expensive part (about $12 compared to about $3 for the other two parts).
Build Your Own Teardrop Camping Trailer!
3 Things You Can Make From 9v Batteries
$10 Smartphone to digital microscope conversion!
DIY Portable Solar Powerbank (w/ 110v Outlets & USB Ports)