Is this 3D model free to download?

Yes, 2020 Profile Top Rail Mount Low-Friction Filament Guide for Longer LK5 Pro, Ender 3, CR-10 is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Miner_Don, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

2020 Profile Top Rail Mount Low-Friction Filament Guide for Longer LK5 Pro, Ender 3, CR-10

Source: Thingiverse by Miner_Don

The 2020 Profile Top Rail Mount Low-Friction Filament Guide for Longer LK5 Pro, Ender 3, CR-10 is a free printable 3D model from Thingiverse by Miner_Don. Update 2026-10-02 I moved my smart filament sensor to the front side of my top 2020, so I no longer needed the super long clearance of the original. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-10-21 License: CC-BY-NC-SA · non-commercial Category: 3D Printer

Tags: BTT SFS, BTT SFS mount, CR-10, creality ender 3, ender3 Filament Guide, filament guide, filament guide holder, filament-guide, longer lk4, Longer LK4 Pro, longer lk5, Longer LK5 Pro, Longer3D

About this model

Update 2026-10-02 I moved my smart filament sensor to the front side of my top 2020, so I no longer needed the super long clearance of the original. I have added this smaller version for those that would like to do the same. I have found this setup to produce an even smoother feed through the sensor and down into the direct-drive extruder mounted on the toolhead. Let me know what you think. I heavily modified this filament guide to work on the top 2020 extrusion of my Longer LK5 Pro. I specifically fit it to allow a smooth feed from my low-slung Sunlu Filadryer and into/through the BTT SFS sensor (also top-mounted). I have striven to keep the CoG on this bedslinger as low as possible, and all of the mods/accessories I have created keep to that basis-of-design. I am constantly working on an…

Frequently asked questions

Is this 3D model free to download?: Yes. 2020 Profile Top Rail Mount Low-Friction Filament Guide for Longer LK5 Pro, Ender 3, CR-10 is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Miner_Don.
Who made this model?: Designed by Miner_Don, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.