Top mounted spool holder for Anet A8 (with optional filament sensor swivel arm)
Description
This spool holder for the Anet A8 printer is space saving and allows for easy placement and removal of a spool. The design uses bearings to reduce rolling resistance. A filament runout sensor can be added. It is mounted on a 3 DOF (2x rotation and 1x translation) swivel arm, which recuces mechanical strain on the sensor and extruder during printing. When not in use, it can be rotated 180° for storage. I used this Octoprint plugin https://github.com/kontakt/Octoprint-Filament-Reloaded Part list --------- basic spool holder ------------------------- Printed --------------- 1x base.stl 1x bushing.stl 1x roll.stl 1x wedge.stl Other --------------- 150 mm - M8 threaded rod (inculded with anet A8) 4x - M8 nut (included with anet A8) 2x - 22x8x7 mm bearing (https://www.banggood.com/nl/8pcs-22x8x7mm-Ball-Bearings-608-ABEC-11-Black-Ball-Bearings-p-1113596.html?p=4E051627338352015109) Filament sensor add-on ------------------------- Printed --------------- 1x pivot.stl 1x joint.stl 2x swivel-arm.stl 2x sensor-holder.stl Other --------------- 1x - filament sensor https://www.banggood.com/nl/Lerdge-1_75mm-Filament-Material-Run-Out-Detection-Module-Sensor-For-3D-Printer-Parts-p-1323359.html?p=4E051627338352015109 1x M3x16 hex socket bolt 1x M3x25 hex socket bolt 2x M3x30 hex socket bolt some M3 nuts a collection of M3 hardware i used: https://www.banggood.com/nl/442pcs-M3-Stainless-Steel-Hex-Head-Srews-Bolt-Nuts-Hexagon-Handle-Tool-Kit-p-1076216.html?p=4E051627338352015109 Revision History ----------------------- Update 08/10/19: Update 11/06/18: Added a 5° wedge to compensate for play and bending under weight. Update 10/31/18: Added larger roll_45mm.stl
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