Is this 3D model free to download?

Yes, KB Knife Sharpener/Mini Belt Sander v1.0 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 fsanders, 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.

KB Knife Sharpener/Mini Belt Sander v1.0 3D printable model by fsanders

KB Knife Sharpener/Mini Belt Sander v1.0 photo 1

KB Knife Sharpener/Mini Belt Sander v1.0 photo 2

KB Knife Sharpener/Mini Belt Sander v1.0 photo 3

KB Knife Sharpener/Mini Belt Sander v1.0 photo 4

KB Knife Sharpener/Mini Belt Sander v1.0

Source: Thingiverse by fsanders

The KB Knife Sharpener/Mini Belt Sander v1.0 is a free printable 3D model from Thingiverse by fsanders. (Quick update 01/28/23) Anyone stuck with or partial to 625 bearings and 5mm dowels, go check out Karlla's remix at: I haven't printed one yet, but it's something I should've. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

4,482 saves Source: Thingiverse Updated 2026-11-01 License: CC-BY-NC-SA · non-commercial 6 makes Category: Tools & Workshop

Tags: belt sander, belt sanding, grinder, knife, Knife Sharpener, knife sharpeners, knife sharpening, Mini Belt Sander

About this model

(Quick update 01/28/23) Anyone stuck with or partial to 625 bearings and 5mm dowels, go check out Karlla's remix at: I haven't printed one yet, but it's something I should've done to begin with. Karlla is also trailblazing with carbon fiber bed texturing and PWM speed controllers. (See make and comments section of the parent design.) (Summary consolidated/updated 01/15/23) This is a mini belt sander design intended primarily for sharpening knives though it may also be OK for some light duty grinding/jewelry making/polishing, etc.). It uses commonly available 3/4" x 12" belts or leather strops. For full parts list, printing and building information as well as other details, download the instructions document (docx or pdf depending on which site you're visiting). Since creating the instructi…

Frequently asked questions

Is this 3D model free to download?: Yes. KB Knife Sharpener/Mini Belt Sander v1.0 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 fsanders.
Who made this model?: Designed by fsanders, 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.