Is this 3D model free to download?

Yes, Red dot holographic-style sight for airsoft (Picatinny rail) 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 DaveTheMaster, 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.

Red dot holographic-style sight for airsoft (Picatinny rail) 3D printable model by DaveTheMaster

Red dot holographic-style sight for airsoft (Picatinny rail) photo 1

Red dot holographic-style sight for airsoft (Picatinny rail) photo 2

Red dot holographic-style sight for airsoft (Picatinny rail)

Source: Thingiverse by DaveTheMaster

The Red dot holographic-style sight for airsoft (Picatinny rail) is a free printable 3D model from Thingiverse by DaveTheMaster. This is a red dot sight which I made for my M4.Its made with only M3 nuts and screws. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

Safety & legal notice: this listing links to a third-party design that may be a functional accessory. Thinger is a search index. We do not host, sell, or manufacture any files or parts, and the download is provided solely by the original platform and creator. Verify that downloading, printing, or possessing this item is legal in your jurisdiction before proceeding. See our Terms & Content Policy.

30 saves Source: Thingiverse Updated 2026-10-17 License: CC-BY-NC · non-commercial Category: Gadgets & Electronics

Tags: airsoft, airsoft attachment, engineering, m3 nut, many parts, Picatinny rail, reddot

About this model

This is a red dot sight which I made for my M4.Its made with only M3 nuts and screws. I uploaded this in one piece so you can understand how to build it + for faster download. You Will need: Materials: 2X Glass/Plexiglass [34mm X ~39,50mm X 3mm] 1X Battery AAA 1X Cable connector [on/off] 4X Cable (~3cm-3.5cm) 2X M3 10mm 4X M3 38mm 6X M3 nut 2x Contact [copper/iron] Tools: Engraver [For sight glasses] M3 Wrench superglue soldering iron 3mm drill if you have any issue please tell me in the comments

Frequently asked questions

Is this 3D model free to download?: Yes. Red dot holographic-style sight for airsoft (Picatinny rail) 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 DaveTheMaster.
Who made this model?: Designed by DaveTheMaster, 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.