DIY Fixed-Blade Utility Knife Handle - Standard Trapezoid Blade Compatible - Screw Assembly

# DIY Fixed-Blade Utility Knife Handle - Standard Blade Compatible Custom 3D-printable utility knife handle designed to hold **standard trapezoid utility blades** (Stanley 1992-style, twin-notch, universal fit). Blade mounts **fixed** (not retractable/sliding) using **M3 screws and nuts** through the standard blade notches — solid, safe, replaceable. Perfect for workshop, DIY, box opening, leather working, model making, and any task that needs a reliable disposable-blade cutter without the mech…

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