
Keep small lettering clean
Colored sign vinyl and smaller lettering benefit from controlled blade direction that keeps corners and fine details intact.
Summa S3T120 48" Tangential Vinyl Cutter is a professional Summa S3T cutter designed for 48-inch signage, detailed decals, laminated prints, stencil films, PPF, and specialty media. The S3T120 provides true tangential cutting, 1.2 mm maximum cutting thickness, OPOS registration, and up to 1 kg cutting force.
48-inch signage, detailed decals, laminated prints, stencil films, PPF, and specialty media.
| Model / SKU | S3T120 |
|---|---|
| Cutting System | Tangential Knife |
| Shipping Weight | 192 lb, palletized |
| Shipping Dimensions | 79 × 23 × 28 in |
GPI Supplies can help match the correct Summa cutter, width, accessories, and finishing workflow to your printer and production requirements.
S3T120 is designed for jobs where laminates, specialty films, long paths and fine detail can expose the limits of conventional drag-knife cutting.

Colored sign vinyl and smaller lettering benefit from controlled blade direction that keeps corners and fine details intact.

Tangential force and blade orientation help laminated graphics cut consistently without wandering or lifting.

PPF, stencil films and thicker coated media benefit from up to 1 kg of cutting force and controlled tangential movement.
S3T120 is built for 48-inch-class work where material resistance and detail matter more than simple high-speed drag cutting.
| Model | S3T120 |
|---|---|
| Maximum media width | 127 cm / 50 in |
| Cutting technology | True tangential cutting knife |
| Maximum cutting thickness | 1.2 mm / 0.047 in |
| Cutting force | Up to 1 kg |
| Pinch rollers | 3 |
| Print registration | OPOS mark reading with OPOS XY compensation |
| Connectivity | USB, Wi-Fi and Ethernet |
| Software | Summa GoSign; compatible with 50+ RIP workflows |
| Shipping weight | 192 lb, palletized |
| Shipping dimensions | 79 × 23 × 28 in |
| GPI price | $8,690 |
Every S3T uses true tangential cutting. Match cutter width, pinch-roller configuration and your upstream printer to the work your shop runs most often.
Use these paths to compare cutters, media and services that fit around the S3T120.
Pair the cutter with sign vinyl, print media and finishing supplies available through GPI Supplies.
If automated roll-to-roll PET film finishing is the main objective, compare the dedicated S3 DTF 75 configuration before choosing a standard S3T.
Tell GPI Supplies what you cut, your printer width, expected volume and the materials giving you trouble.
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