Is this 3D model free to download?

Yes, Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch 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 bazaljunaid, 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.

Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch 3D printable model by bazaljunaid

Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch photo 1

Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch photo 2

Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch photo 3

Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch photo 4

Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch

Source: Thingiverse by bazaljunaid

The Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch is a free printable 3D model from Thingiverse by bazaljunaid. This is a complete grinding fixture for making your own plastic filament extrusion screw at home, without a lathe or CNC. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

84 saves Source: Thingiverse Updated 2026-11-01 License: CC-BY-NC-SA · non-commercial Category: Tools & Workshop

Tags: diy, extrusion screw, filament, Filament Extruder, grinding machine, solidworks

About this model

This is a complete grinding fixture for making your own plastic filament extrusion screw at home, without a lathe or CNC. It uses a standard 4" angle grinder, 3D-printed parts and off-the-shelf hardware. The fixture holds and guides the workpiece during grinding, so you can get the screw geometry with basic workshop tools. It is designed for a 20 mm diameter screw with a 20 mm pitch. Key features Custom 3D-printed parts (PETG) for holding and guiding the workpiece Adjustable grinder attachment that fits almost any 4" angle grinder Timing pulley drive (20T to 50T) that sets the 20 mm pitch M8 to M20 workpiece connector Linear shaft and bearing guide system built from standard McMaster-Carr parts Easy to modify for other screw diameters and pitches Specs Build size: 600 x 400 x 200 mm Materi…

Frequently asked questions

Is this 3D model free to download?: Yes. Extrusion Screw Grinding Jig (3D-Printed) – 20 mm Dia, 20 mm Pitch 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 bazaljunaid.
Who made this model?: Designed by bazaljunaid, 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.