45mm or 60mm: Choosing Your BladeSaver Rotary Cutter
By GE Quilt Designs | Published: 2026-11-01
Category: Comparisons
Compare 45mm and 60mm rotary blade options for your BladeSaver thread cutter. Learn which size suits your cutting habits and how to get more life from every blade.
Quick answer
If you mostly trim chain-pieced units and want to repurpose worn 60mm blades, choose the 60mm BladeSaver Thread Cutter. If you need fresh 45mm blades for everyday rotary cutting, keep a pack of Creative Grids 45mm blades on hand.
Why blade size changes your cutting workflow
A 60mm blade covers more fabric per pass, which helps when you are cutting multiple layers or long strips. A 45mm blade gives you more control on curves and small pieces, and it fits the rotary cutters most quilters already own. The BladeSaver system is built around giving worn 60mm blades a second job, so the size you choose depends on whether you need a thread cutter or a fresh cutting blade.
The trade-off: repurposing versus replacing
The 60mm BladeSaver Thread Cutter lets you keep using a blade that no longer cuts fabric cleanly, but it is not a substitute for a sharp rotary blade when you need precise cuts. The Creative Grids 45mm blades are replacement blades for standard rotary cutters, not for the BladeSaver. Expect to maintain both: a sharp blade for cutting and a retired blade for thread trimming.
Key trade-offs to weigh
- Blade condition: Use the 60mm BladeSaver only with blades too dull for fabric; keep a separate sharp 45mm blade for cutting. Label or store worn blades separately so you do not mix them up.
- Cutting task: Choose the 60mm BladeSaver for trimming chain-pieced threads; choose 45mm replacement blades for rotary cutting fabric, vinyl, or cork.
- Storage and transport: The BladeSaver’s magnetic case protects the cutter in storage; the Creative Grids blades come in a reusable plastic container. Keep both containers handy to avoid loose blades in your sewing space.
Product facts
- 60mm BladeSaver Thread Cutter Purple - TGQPH001: Uses old 60mm rotary blades and comes with a magnetic case that doubles as a blade stand. You get a dedicated thread cutter without buying new blades, and the case keeps it safe for class or storage.
60mm BladeSaver Thread Cutter Purple - TGQPH001 - Creative Grids Rotary Blade 45 mm - 2 blade pk CGRRB45-2: Carbide steel 45mm blades in a two-pack, compatible with the Creative Grids Rotary Cutter #CGRCUT45 and most other 45mm cutters. These are fresh replacement blades for everyday cutting, not for the BladeSaver, so you can keep a sharp edge for fabric and a worn edge for thread.
Creative Grids Rotary Blade 45 mm - 2 blade pk CGRRB45-2
Which option fits your sewing space?
Best for
- Quilters who chain piece and want to repurpose worn 60mm blades
- Sewists who want a dedicated thread cutter with a protective case
Not for
- Anyone who needs a sharp blade for precise rotary cutting
- Quilters who only own 45mm rotary cutters and no 60mm blades
