Kitty Cutter v2 – Cardboard Cutter for Cat Scratchers

⭐ The original Kitty Cutter — The #1 most downloaded and reviewed cardboard cutter for cat scratchers. Now includes a FREE basic box template.

Upcycle empty cardboard boxes into durable DIY cat scratchers with the Kitty Cutter. This ergonomic cardboard cutter is designed to fit any standard utility blade and cleanly cuts through most box thicknesses with ease. It is also left-hand friendly.

Featuring the most flexible fully 3D printable designs available, the Kitty Cutter offers multiple build configurations. Choose a fully printable hardware setup or opt for versions that use heated inserts or captured nuts.

Place the cardboard in your cat’s favorite scratching spots, along walls, or in play areas, or screw it onto worn-out parts of scratching posts. You can even build your own cat furniture and houses. I recommend reusing empty boxes and stuffing them tightly with cardboard strips, but you can also tape, glue, or use the included free basic box template.

Pair with my 👉 Premium Cat Scratcher Boxes for a no-glue, no-mess assembly. Join my Printables Club for exclusive access to this model and my complete members-only STL collection, with new designs added every month.

Perfect for:
✅ Cutting cardboard strips for scratchers
✅ Saving money on store-bought cat scratchers by making your own
✅ Attaching cardboard scratchers to worn-out scratchers
✅ Upcycling empty boxes instead of throwing them away
✅ Breaking down cardboard for compost or recycling

Includes:
1. Fully 3D Printed Cutter – No metal hardware required
2. Captured Nut Models – Insert hidden M5 hex or square nuts during a print pause
3. Brass Insert Version – Designed for M5 heat-set inserts for a more professional finish
4. 3D Printed Thumb Screw – Compatible with standard M5 bolts and nuts to create your own thumb screw

Cutting Tips:
🔪 Works with any standard utility blade
📦 Most box thicknesses are fine. Avoid heavily damaged cardboard
🔥 Stuff tightly into empty boxes or print your own to create a cat scratcher without needing any glue or tape

Printing Tips:
Print the model vertically as shown in the images
Layer height 0.2mm or less
15% infill for the body, 100% infill for the bolt
No supports needed unless you print the knurled bolts

🤑 Want to sell this design? Check out the Commercial License Club tier on Printables — or join my other Printables membership for full access to my exclusive STL catalog.

The sale or distribution of any files is not allowed. By downloading this model, you agree to use it responsibly and with appropriate safety gear. The creator is not liable for any injuries or damages resulting from its use. Not recommended for children.