Is this 3D model free to download?

Yes, MFS (Mussy Folding Sights) 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 mussy, 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.

MFS (Mussy Folding Sights) 3D printable model by mussy

MFS (Mussy Folding Sights)

Source: Thingiverse by mussy

The MFS (Mussy Folding Sights) is a free printable 3D model from Thingiverse by mussy. ENJOY ;) Items Required: M3 screw + locknut + square nut (windage adjustment) Paperclip pin 1.5mm OD x 18mm L (lock) Paperclip pin 1.5mm OD x 22mm L (hinge) 4mm OD x 15mm L. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

226 saves Source: Thingiverse Updated 2026-11-06 License: CC-BY-NC-ND · non-commercial 1 makes Category: Outdoor & Garden

Tags: MFS, (Mussy, Folding, Sights)

About this model

ENJOY ;) Items Required: M3 screw + locknut + square nut (windage adjustment) Paperclip pin 1.5mm OD x 18mm L (lock) Paperclip pin 1.5mm OD x 22mm L (hinge) 4mm OD x 15mm L compression spring (pen or nasal spray spring) (lock) As usual all building details will be in the make. If you are interested in other firearm parts and designs do join our group on Matrix: !!!Note: I'm always open for suggestion and help on improving the design and proof of concept. !Don't forget to check out my other Cool designs and Follow my Weekly dose of KooKoo uploads ;)

Frequently asked questions

Is this 3D model free to download?: Yes. MFS (Mussy Folding Sights) 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 mussy.
Who made this model?: Designed by mussy, 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.