Thingiverse
Quick release expanding spool holder
door peter120
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Aug 2020: rev3
Added snip away support to the model and improved the Nut and Bail using ball location (this solved an issue that always annoyed me). Prints very nice in PETG in my setup. Sliced in prusa using Zhop at 0.3mm, retraction 2mm (default), nozzle wipe (default), 0.1mm layers and 0.5mm paving width using a 0.4mm nozzle and supported using a 4mm brim. It takes 10 hours to print. PEI build surface was at 85C and PETG extruded at 237C. It has thin whiskers at this temperature but the layer adhesion is good and the PETG is a better flex spring material. If you over extrude you can always scale the nut and bail diameter in X&Y but not Z or the thread pitch will change.
This is rev 2 of my flexible filament expanding spool holder (https://www.thingiverse.com/thing:3939856 ), however, this model requires slicing with Z-hop to successfully print. This model has 25 springs which keep the 5 expanding arms parallel. Works great even with lots of stringing created by the Z-hop slicing
Added snip away support to the model and improved the Nut and Bail using ball location (this solved an issue that always annoyed me). Prints very nice in PETG in my setup. Sliced in prusa using Zhop at 0.3mm, retraction 2mm (default), nozzle wipe (default), 0.1mm layers and 0.5mm paving width using a 0.4mm nozzle and supported using a 4mm brim. It takes 10 hours to print. PEI build surface was at 85C and PETG extruded at 237C. It has thin whiskers at this temperature but the layer adhesion is good and the PETG is a better flex spring material. If you over extrude you can always scale the nut and bail diameter in X&Y but not Z or the thread pitch will change.
This is rev 2 of my flexible filament expanding spool holder (https://www.thingiverse.com/thing:3939856 ), however, this model requires slicing with Z-hop to successfully print. This model has 25 springs which keep the 5 expanding arms parallel. Works great even with lots of stringing created by the Z-hop slicing
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