Cardboard Box Resizer
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This tool is for resizing cardboard boxes.
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Updated at source:
Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Share Alike
This handy tool makes it easy to resize cardboard boxes. You can quickly and neatly adjust box sizes by up to 180mm.
Assembly:
1. Attach the "Wheel" to the "Body" using the "Screw" and make sure the "Wheel" can rotate.
2. Insert the "Ledge" into the "Body" and attach the “Knob.”

How to Use:
1. Set the desired cutting depth and tighten the knob to secure the ledge in place.

2. Place the tool against the cardboard and move it along the edge to score a fold line. Repeat this for all four sides. Placing your hand on the opposite side of the cardboard while moving the tool helps create a more effective fold line.

3. Make cuts with a knife up to the fold lines at all four corners.

4. Fold the cardboard along the scored line

Notes:
- Cardboard is quite tough, so it's important to support it from the opposite side when scoring fold lines.
- The wheel has room for improvement. Why not try remixing it?