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KW-triO YJQ-3 Three-Way Corner Rounder for Paper
- Three Round Cuts. Select R4, R7 or R10 for the intended corner. Palm-Sized Tool. The compact body measures 70 x 59 x 34 mm. Marked Radius Guides. The small gold markings identify the guide positions. 0.4 mm Cutting Limit. The seller illustrates this limit with about three 80 gsm sheets.
Exquisite Details & Design Features
Carefully-crafted details showcase superior craftsmanship and outstanding design features.

Corner Rounder Features
Select R4, R7 or R10 for the intended corner.
Uncover Our Core Product Advantages
Reliable quality and solid performance for your varied usage scenarios. Rigorous production standards ensure great durability and cost‑efficiency.

Seat the paper against the selected guide.

Press the ridged white paddle down while keeping the paper flat.

Release the paddle and withdraw the paper straight from the slot.

Check the curve before trimming the remaining pieces.
Compatible devices
Store Finished Paper Pieces
Keep rounded cards and sheets grouped in a document organizer.

Product parameters
Flexible for multiple scenarios
Trim paper corners with the KW-triO YJQ-3 in cyan. The three guides make R4, R7 and R10 curves. Seat a corner in the selected slot and press the ridged white paddle. The cutting limit is 0.4 mm, or about three sheets of 80 gsm office paper.

Check card thickness against the limit before inserting it into a cutting guide.


Keep the stock flat in the right slot as you press the ridged white paddle down.

Packaging list
1 x KW-triO YJQ-3 corner rounder, Cyan.
Frequently Asked Questions
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