🧠X-ACTO KNIFE BLADE SAFETY COVER

🔹 Simple protective cover designed to snap over a standard hobby knife blade when the knife is not in use.
🔹 Helps prevent accidental cuts while protecting the blade edge during storage, transport, or while the knife is resting on the workbench between uses.
🔹 A tiny print with a surprisingly useful payoff.

📓QUICK OVERVIEW

🔧 Purpose: Snap-on safety cover for standard X-Acto style hobby knife blades

📏 Compatibility: Designed around the common #11 blade profile used in many hobby knives

🧲 Fit: Friction fit over the blade to help keep it securely in place

🛡 Protection: Covers the sharp edge and tip to reduce accidental contact

📦 Size: Compact, lightweight, and easy to keep on the knife or in a tool kit

🖨 Printing: Quick print with no supports required

💡PROJECT BACKGROUND

🧰 Anyone who spends time around a maker bench knows how this goes.

You finish trimming a print, cleaning supports, cutting tape, or opening a package… and the hobby knife ends up sitting on the table with the blade exposed.

Not exactly ideal.

This cover was designed as a simple solution to protect both the blade and your fingers when the knife isn’t actively being used. It slips on quickly, stays put, and adds a little extra peace of mind to the workspace.

Sometimes the smallest prints end up being the handiest ones.

📐DESIGN DETAILS

✅ Fits standard #11 hobby knife blades

✅ Friction-fit design helps the cover stay securely in place

✅ Compact shape keeps the knife easy to store in drawers, bins, or tool kits

✅ Lightweight design adds very little bulk

✅ Protects both the blade edge and the tip

🖨PRINTING NOTES

Printed examples shown were done in PLA using:

🔹 Standard 0.4 mm nozzle
🔹 Default slicer settings

Print orientation:

⬇ Flat side down on the build plate. Standing.

Supports:

❌ NOT required

Brim:

Recommended due to the small footprint and height of the model. A brim helps ensure the part stays firmly attached to the build plate during printing.

💡Because the model is small, slightly slower outer wall speeds may help produce cleaner edges.

⏱Typical print time is only a few minutes on most printers.

📝VERSION INFO

📌 v1.0 – Initial release designed as a simple protective blade cover.

🔮 Future variations may include alternate fits for other blade styles if there is enough interest.

💬 Suggestions and improvements are always welcome — and as always, photos of your prints are appreciated.

Thanks for checking it out, and Happy Printing!

X-Acto Knife Blade Safety Cover

0.2mm layer, 2 walls, 15% infill

0.2mm layer, 2 walls, 15% infill