Material compatibility

What materials the Prusa Research SL1S SPEED can print

The Prusa Research SL1S SPEED is a resin printer; here's which resins it supports, derived from its verified specs.

The SL1S SPEED is a resin printer (MSLA): it doesn't use filament. It works with standard 405 nm UV resins from virtually any brand (open system): standard, ABS-like/tough, water-washable, flexible and castable. Engineering or high-temperature resins depend on LCD power and ventilation; follow the resin maker's guidance.

See the full SL1S SPEED spec page → All printers table

Sources & references

Specs cross-checked against these public sources: