TrueTrim Corner Tool

This is a quick design and print to create a tool that holds a standard single-edge razor blade that can be used to trim wallpaper neatly in a corner.

⚠️ Safety Warning – Read Before Use ⚠️

This tool is designed to hold a standard single-edge razor blade for precision cutting along inside corners—but please be aware:
You’ll be working with an extremely sharp exposed blade in close proximity to your fingers.

By downloading and using this design, you acknowledge the following:
• You assume full responsibility for your own safety.
• Always use extreme caution when inserting or removing the blade.
• Wear protective gloves and keep hands clear of the cutting path.
• Keep out of reach of children or anyone unfamiliar with blade safety.
• This tool is intended for experienced users only.

Improper use could result in serious injury.

Use at your own risk.