Kossel Spool Stand

WARNING!!! Since I designed this and have been running printers for several years with a couple recent near miss fire incidents, I've done a lot of thinking about fire safety. IT IS A REALLY BAD IDEA TO STORE FILAMENT ABOVE YOUR PRINTER. It's kind of like storing a bottle of gasoline above your kitchen stove. If your hotend happens to catch fire, it will almost certainly spread to the reel of fuel directly above it and then the rest of your house/office. Instead, put a fire detector or auto exti