Is this 3D model free to download?

Yes, Kel Tec CP33 Brace Adaptor 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 Dr.Mussy, 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.

Kel Tec CP33 Brace Adaptor

Source: MakerWorld by Dr.Mussy

The Kel Tec CP33 Brace Adaptor is a free printable 3D model from MakerWorld by Dr.Mussy. SummaryGentlemen, I decided to work on some Kel Tec CP33 accessories and this is the first piece, its a P-Rail brace adaptor, I designed 4 versions starting from large and all. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from MakerWorld

117 saves Source: MakerWorld Updated 2026-10-13 License: CC-BY-NC-ND · non-commercial 33 makes Category: Outdoor & Garden

Tags: Kel, Tec, CP33, Brace, Adaptor

About this model

SummaryGentlemen, I decided to work on some Kel Tec CP33 accessories and this is the first piece, its a P-Rail brace adaptor, I designed 4 versions starting from large and all the way to micro. You will only require 2x M3 x 20mm socket head screws to mount the rail on the back of the adaptor. Thanks to Mr.Snow for help in designing and testing these ;) 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: 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 ;)Print SettingsPrinter Brand: Creality Printer: Ender 3 Rafts: No Supports: Yes Resolution: 0.2 or 0.3 Infill: 35%Filament:Any PLA+ …

Frequently asked questions

Is this 3D model free to download?: Yes. Kel Tec CP33 Brace Adaptor 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 Dr.Mussy.
Who made this model?: Designed by Dr.Mussy, 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.