roller cutter
A cutting tool that uses a rotating circular blade, often for fabric, leather, or crafts.
When you use a roller cutter to cut fabric, you can cut straight.
rotary paper trimmer
A paper trimmer with a sliding rotary blade, common in offices and print shops.
This rotary trimmer can cut several sheets of paper at once.
Variant with interpunct; less common in everyday writing.
Loanword from English 'roller cutter'.