TEVO Tornado Filament Holder 3 / 20x20 or 20x40 Extrusion Filament Holder

thingiverse

Here's my third filament spool holder I made for my TEVO Tornado! This spool holder fits snugly into the 20x20 aluminum extrusion on top of the 3D printer frame and can be attached without disassembling the frame. It also includes a filament guide arm that keeps the filament from touching the greasy z-rod as it's pulled into the extruder. The design uses minimal-ish filament by incorporating a truss structure. I was hoping this wouldn't take too long to print, but nope, it takes around 13-19 hours to print depending on your print settings. But hey, consider it an easy and useful way to test your printer's long printing capabilities! Also, I wanted to note that it looks pretty cool too. While I haven't tested it on other printers, this design can likely be used on all other printers with 20x20 aluminum extrusion like the TEVO Tornado or printers that have other types of extrusions like 20x40. To test if the filament holder can be mounted on your printer, I also uploaded a quick and easy-to-print test piece that will tell you whether the filament holder can be mounted on your printer. I also uploaded a version of the filament holder without the filament guide arm if you don't need it. To mount the filament holder, angle it backwards so the larger hook fits into the top part of the extrusion. Then position the filament holder vertically while gently pulling up until there's a noticeable click. This is the secondary hook snapping into place that prevents the holder from falling backwards if it's accidentally nudged that way. You shouldn't need to apply much force if you're slightly lifting up the filament holder as you rotate it into place. Make sure to read the printing instructions below.