expandable loose filament holder

thingiverse

I like the original's friction fit but not its overall functionality, so I made my own. * I changed it to allow Main.stl pieces to be stacked together endlessly. * I loosened the friction fit for easier disassembly of the pieces. * I added two more pieces that work together seamlessly as a chain end. * I included 3mm holes in the verticals, just like a regular spool, for winding purposes (although I plan to move them inside the spool for better functionality later). I created this because I have many small sample rolls without spools and don't use the standard spool holder.