Is this 3D model free to download?

Yes, AR15 Receiver Engraving Jig v7.4 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 rszkutak, 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.

AR15 Receiver Engraving Jig v7.4 3D printable model by rszkutak

AR15 Receiver Engraving Jig v7.4 photo 1

AR15 Receiver Engraving Jig v7.4 photo 2

AR15 Receiver Engraving Jig v7.4

Source: Thingiverse by rszkutak

The AR15 Receiver Engraving Jig v7.4 is a free printable 3D model from Thingiverse by rszkutak. I took the design from Turpinator and changed it a bit to make it stronger, a bit faster print time and more versatility. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

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114 saves Source: Thingiverse Updated 2026-10-31 Print time: 8h 23m License: CC-BY-NC · non-commercial 1 makes Category: Tools & Workshop

Tags: AR15, engraving, fiber, Jig, laser, reciever

About this model

I took the design from Turpinator and changed it a bit to make it stronger, a bit faster print time and more versatility. Mounting holes on top are on 25mm centers on one side of the jig and the bottom side is a bit less (146mm span). I didn't fix this from the design of Turpinator because it didn't matter to me. 25mm center is typical for Imported Fiber Lasers so this will work for that. ------> This remix was designed for laser engraving companies / individuals. CHANGES: Fixed the annoying and likely to break pin's in the design. I cut them out and replaced them with 6mm holes for using steel pins. Removed the "block" inside trigger guard area, it isn't needed and some lowers could touch it depending on how they lay out the lower part of trigger guard. Counter Sunk screw area's to allow …

Frequently asked questions

Is this 3D model free to download?: Yes. AR15 Receiver Engraving Jig v7.4 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 rszkutak.
Who made this model?: Designed by rszkutak, 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.