Is this 3D model free to download?

Yes, Cat Knuckle Duster Replica is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by MakerWorld. Use the "Download from MakerWorld" 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 Williams Industries, published on MakerWorld. 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.

Cat Knuckle Duster Replica

Source: MakerWorld by Williams Industries

The Cat Knuckle Duster Replica is a free printable 3D model from MakerWorld by Williams Industries. Sometimes you need a little extra help opening boxes and taking out your frustration on overdue library books. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

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.

101 saves Source: MakerWorld Updated 2026-09-27 Print time: 36m Filament: 16 g Multi-colour (AMS) License: CC-BY-NC-ND · non-commercial ★ 4.5 (13) 111 makes Category: Tools & Workshop

Tags: cat, knuckleduster, tools, edc, box opener, meow, prop, replica

About this model

Sometimes you need a little extra help opening boxes and taking out your frustration on overdue library books. Well, this double knuckle duster might be right for you. If you would like to sell this, please join my patreon:

Frequently asked questions

Is this 3D model free to download?: Yes. Cat Knuckle Duster Replica is free to download from MakerWorld. Open it in the free Thinger app, or use the "Download from MakerWorld" link above to open the original listing.
Where is the STL hosted?: The download is hosted by MakerWorld, not by Thinger. We link you directly to the original listing by Williams Industries.
Who made this model?: Designed by Williams Industries, published on MakerWorld. 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.