22-Style Mini Folding Utility Knife-Locking Button
Print Profile(23)
Bill of Materials
Description
22 Handle Styles:
So many handle styles available for download! The photo below can't show them all—each .3mf file comes with actual photos. Check them out!
- Basic Edition (smooth texture)
- Pocket Clip Edition
- Knurled Grip Edition
- Hammered Texture Edition
- BOSCH® Logo Edition
- MAKITA® Logo Edition
- MILWAUKEE® Logo Edition
- PLAYBOY® Logo Edition
- DeWALT® Logo Edition
- RYOBI® Logo Edition
- Nike - Just cut it
- Arc'teryx® Logo Edition
- KLEIN TOOLS® Logo Edition
- The Punisher
- US General.® Logo Edition
- Wera® Logo Edition
- STANLEY® Logo Edition
- Snap-on® Logo Edition
- HILTI® Logo Edition
- Würth® Logo Edition
- FESTOOL® Logo Edition
- CRAFTSMAN® Logo Edition
This project will have long-term updates! If there's a tool brand you'd love to see, drop a comment—I'll do my best to make it happen!
Description:
This mini folding knife features a locking button that:
- Securely locks the blade when open
- Provides resistance to prevent accidental opening when closed
- Allows intentional blade deployment even if locked (the button will auto-release under force, preventing structural damage)
Printing:
- Simple process with minimal supports (easy to remove)
- Tested successfully with multiple prints(Recommend using PETG)
Assembly:
- Moderate difficulty (read instructions carefully!)
- Requires the included 3D-printed tool for lock mechanism installation
- Hardware: 1×M3-6mm screw + nut for blade fixation
Blade Compatibility:
- Designed for Stanley® blades
- Fits slightly smaller blades | Not compatible with larger blades
Assembly Guide
Parts overview
Install lock mechanism:
Please see the GIF .
2.1 Clip the spring with the red 3D-printed tool
2.2 Slide the assembly into the handle’s front slot
2.3 Attach the red button
2.4 Insert the helper tool → Press the spring flush against the inner handle → Tighten the button
※ Verify the lock slides smoothly with the tool inserted!
Attach the blade holder to the handle via pivots
Secure the blade with the black clamp + M3-6mm screw/nut
Initial folding may show minor resistance—smooths after a few uses 🔧
The strength of 3D-printed knives cannot be guaranteed and they are suitable only for light-duty tasks, such as cutting paper or opening Amazon packages. Unless otherwise specified, all of my knife designs are intended for light-duty use only.
My similar projects, click on the picture
Membership
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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