Low Friction Spool Holder - Flashforge Adventurer 3

thingiverse

The Adventurer 3's filament compartment can only handle small 500g spools of filament designed for it.\r\n\r\nThis low-friction spool holder attaches externally to the filament compartment door, working with my External Filament Mod which runs a short PTFE tube from within the compartment to the spool outside.\r\n\r\nThe spool holder can support 1 Kg spools comfortably; however, I recommend using lighter ones.\r\n\r\nAfter installation, you'll be able to remove the spool holder at any time, but my External Filament Mod should minimize this need.\r\n\r\nYou'll need:\r\n\r\n* one 140-150mm M8 threaded rod\r\n* two 608ZZ bearings\r\n* three M8 hex nuts\r\n\r\nA hot glue gun and a hair dryer or hot air gun will also be helpful.\r\n\r\nPrint out each component once; print an extra rod spacer and split it into two sections to secure the hex nuts on the threaded rod.\r\n\r\nStart by threading the rod spacers and rod cap 'breaking them in'. Printer tolerances can make these difficult to thread initially. A hair dryer or hot air gun will help warm the threaded rod, making threading easier. If you still have trouble, print these components slightly larger by scaling them along the X and Y axis.\r\n\r\nPlace a hex nut into the central spoke of the filament compartment (see photo), leaving it slightly proud rather than completely flush. I recommend applying hot glue around the hex nut to prevent movement.\r\n\r\nCarefully drill out the opposing centre hole in the filament compartment door; use a 10mm drill bit for this step.\r\n\r\nFor these next steps, use a 140mm length of threaded rod; if you use a different length, adjust the measurements below accordingly through trial and error.\r\n\r\n1. Insert a section of rod spacer down the rod, leaving 37mm of thread exposed on one side.\r\n\r\n2. Thread in a hex nut against the spacer section.\r\n\r\n3. Feed in a 608ZZ bearing followed by a Washer and then a whole rod spacer. \r\n\r\nThe bearing should rotate smoothly without binding, and you should have about 4-5 mm of threaded rod left exposed - this will connect to the hex nut inside the filament compartment.\r\n\r\n4. Turn the rod over and insert the remaining section of rod spacer down the rod, leaving around 18 mm of thread exposed on one side.\r\n\r\n5. Thread in a hex nut against the spacer section.\r\n\r\nWhen you add the last bearing, you should have about 4-5 mm of threaded rod left exposed - this will connect to the rod cap.\r\n\r\nLower the rod into the side of the roller with the raised edge around it, with the bearing entering the roller last. Press down evenly until the bearing is flush with the roller.\r\n\r\nTurn the roller over and insert the other bearing; press down evenly until the bearing is flush with the roller. \r\n\r\nScrew the rod cap onto the exposed thread, and screw the completed spool holder through the hole you drilled. Your job is done!