Corner Rounding Guide: FAQs & Tips

May 14, 2019

Confused About Corner Rounders | How to Choose a Corner Rounding Machine

1. What is a corner rounder?

Corner Rounders are machines that feature rounded cutting dies that are used to cut the sharp corners off sheets, replacing them with an attractive rounded look. Corner rounders are either manual, electric, or pneumatic-powered, but they all function the same, but cutting through a stack of sheets at one time to round out the sharp corners.

2. What kind of corner rounders are there?

There are hand-held corner cutters for single sheets (often found in craft stores), desktop manual corner rounders for office-level needs, and floor-standing options for industrial use.

3. How do I choose a corner rounder?

To best select the proper corner rounding machine for your specific needs, you will want to ask yourself some questions to better evaluate the applications and needs. These questions asses your volume, materials, and quantities to narrow down the choices. Click here for more information on choosing the best corner rounding machine.

4. What materials will a corner rounder cut through?

This is going to vary on the unit. Some smaller machines are built to handle paper and plastics, like laminate, while some larger corner rounding machines may be able to handle metal signs, thick poly, and more. Part of choosing the best corner rounder for your business includes evaluating your material cutting; click the link above to learn more.

5. What is the best corner rounder for metal?

The CR-60 was designed specifically for cutting metal signs, so it the ideal choice. Click here to learn more about why.

6. How thick of a stack will a corner rounder cut through?

Just like the materials, the capacity will also vary by-unit. Small handheld cutters may only cut through one sheet at a time, whereas desktop models may do 1/2" or 1", and high capacity floor models up to 3" or more.

7. What radius shapes can I make?

Small 1/8" radii dies create a barely visible cut, while large 1.5" radii dies create a very large and smooth cut. Different machines have different die shapes available, so be sure to check what size you want to create before you buy a machine.

8. How much does a corner rounder actually cost?

Handheld craft cornering tools cost about $10 or $15, while larges floor standing industrial machines cost upwards of $6,000, and many options in-between. Click here for a guide that explains the various price points for different kinds of cornering units.

For more information or a quote, call us at (866) 537-2244 (866) 537-2244 or email

Mallory Morsa, Binding101 Product Expert About the Author • Mallory Morsa has been part of Binding101 since 2008 and she is the primary content creator for BUY101® information. She began in customer service and sales where she honed in her skills to provide the customer with professional, fast, and accurate information. Shortly after, she was promoted to sales supervisor and also took on the role of product expert, training the team on new products. Throughout this time, she also wrote content for the site, as well as contributed stock photography and videography. As the team grew, she moved to an official position as the content specialist and social media manager. Her skills in these variety of areas give her the unique expertise to not just create content for the web, but to create content for you, the customer. She has a Bachelor's degree in business management and marketing, was on the Dean's List each year, and graduated Summa Cum Laude. In her free time, Mallory's favorite things to do include volunteering at the animal shelter by bottle feeding neonatal kittens, reading at the park, cooking plant-based meals, playing board games, hiking, and binge streaming TV shows with her furbabies and family beside her.

Posted in: Cutting