Online slicer · Prusa

Online slicer for Prusa printers

Upload an STL or 3MF, pick your Prusa printer among 13 models and its nozzle, choose the layer height, filament, infill and supports, and download a .gcode file with the print time and filament weight. Sliced by OrcaSlicer 2.4.2 with the printer's own profile, in the browser, nothing to install.
SpeakCAD's online slicer has OrcaSlicer 2.4.2 profiles for 13 Prusa printer models. 4 of them have pages of their own on SpeakCAD. Nozzle profiles go from 0.25 to 0.8 mm (0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm); all 13 models have a 0.4 mm one. The largest printable area in the profiles is 360 x 360 x 360 mm, on the Prusa XL; the smallest is 180 x 180 x 180 mm, on the Prusa MINI IS. The print presets cover layer heights from 0.05 to 0.56 mm. Every Prusa profile slices to a plain .gcode file.The online slicer gives every account 1 free slice, its first (a free account, no card). After that, a slice uses one slice from a Slicer pack (20 slices for $3, once, never expire) or 5 credits, and slicing is included in Pro and Unlimited. Re-slicing the same file with other settings within 10 minutes is free.

Prusa in the slicer at a glance

SettingValue
Printer models13
Nozzle sizes0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm
Largest printable area360 x 360 x 360 mm (Prusa XL)
Smallest printable area180 x 180 x 180 mm (Prusa MINI IS)
Layer heights in the print presets0.05 to 0.56 mm
Filament presetsPLA, PETG, ABS, ASA, TPU, PLA-CF, PETG-CF, PC, PA, PA-CF
File you download.gcode
SlicerOrcaSlicer 2.4.2 with its bundled Prusa presets

Getting the file to a Prusa printer

Prusa printers run Prusa's own firmware. The MINI, MK4, MK4S, CORE One and XL print from a USB drive, the MK3 family from an SD card. On printers connected to the network, PrusaLink takes an upload from a browser on the local network and Prusa Connect sends a file through Prusa's cloud. Recent Prusa firmware prefers the binary .bgcode that PrusaSlicer writes by default, but it also prints plain .gcode, which is what this slicer returns.

Every Prusa printer in the slicer (13)

Printable area, nozzle variants and layer heights come from each model's OrcaSlicer profile. Where a model has variants with different beds, each one is listed. Every model has filament presets for PLA, PETG, ABS, ASA, TPU, PLA-CF, PETG-CF, PC, PA, PA-CF. Linked models have a page of their own.
ModelNozzlesPrintable areaLayer heightsFile
Prusa CORE One0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm250 x 220 x 270 mm0.05 to 0.55 mm.gcode
Prusa CORE One HF0.4, 0.5, 0.6 and 0.8 mm250 x 220 x 270 mm0.1 to 0.55 mm.gcode
Prusa CORE One L0.4, 0.5, 0.6 and 0.8 mm300 x 300 x 331 mm0.1 to 0.55 mm.gcode
Prusa CORE One L HF0.4, 0.5, 0.6 and 0.8 mm300 x 300 x 331 mm0.1 to 0.55 mm.gcode
Prusa MINI0.25, 0.4, 0.6 and 0.8 mm180 x 180 x 180 mm0.2 to 0.2 mm.gcode
Prusa MINI IS0.25, 0.4, 0.6 and 0.8 mm180 x 180 x 180 mm0.05 to 0.4 mm.gcode
Prusa MK3.50.25, 0.4, 0.6 and 0.8 mm250 x 210 x 210 mm0.05 to 0.4 mm.gcode
Prusa MK3S0.25, 0.4, 0.6 and 0.8 mm250 x 210 x 210 mm0.05 to 0.55 mm.gcode
Prusa MK40.25, 0.4, 0.6 and 0.8 mm250 x 210 x 220 mm0.08 to 0.56 mm.gcode
Prusa MK4S0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm250 x 210 x 220 mm0.05 to 0.55 mm.gcode
Prusa MK4S HF0.4, 0.5, 0.6 and 0.8 mm250 x 210 x 220 mm0.1 to 0.55 mm.gcode
Prusa XL0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm360 x 360 x 360 mm0.05 to 0.55 mm.gcode
Prusa XL 5T0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm360 x 360 x 360 mm0.05 to 0.55 mm.gcode
Prusa CORE OneNozzles: 0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 250 x 220 x 270 mmLayer heights: 0.05 to 0.55 mm · .gcode
Prusa CORE One HFNozzles: 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 250 x 220 x 270 mmLayer heights: 0.1 to 0.55 mm · .gcode
Prusa CORE One LNozzles: 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 300 x 300 x 331 mmLayer heights: 0.1 to 0.55 mm · .gcode
Prusa CORE One L HFNozzles: 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 300 x 300 x 331 mmLayer heights: 0.1 to 0.55 mm · .gcode
Prusa MININozzles: 0.25, 0.4, 0.6 and 0.8 mmPrintable area: 180 x 180 x 180 mmLayer heights: 0.2 to 0.2 mm · .gcode
Prusa MINI ISNozzles: 0.25, 0.4, 0.6 and 0.8 mmPrintable area: 180 x 180 x 180 mmLayer heights: 0.05 to 0.4 mm · .gcode
Prusa MK3.5Nozzles: 0.25, 0.4, 0.6 and 0.8 mmPrintable area: 250 x 210 x 210 mmLayer heights: 0.05 to 0.4 mm · .gcode
Prusa MK3SNozzles: 0.25, 0.4, 0.6 and 0.8 mmPrintable area: 250 x 210 x 210 mmLayer heights: 0.05 to 0.55 mm · .gcode
Prusa MK4Nozzles: 0.25, 0.4, 0.6 and 0.8 mmPrintable area: 250 x 210 x 220 mmLayer heights: 0.08 to 0.56 mm · .gcode
Prusa MK4SNozzles: 0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 250 x 210 x 220 mmLayer heights: 0.05 to 0.55 mm · .gcode
Prusa MK4S HFNozzles: 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 250 x 210 x 220 mmLayer heights: 0.1 to 0.55 mm · .gcode
Prusa XLNozzles: 0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 360 x 360 x 360 mmLayer heights: 0.05 to 0.55 mm · .gcode
Prusa XL 5TNozzles: 0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mmPrintable area: 360 x 360 x 360 mmLayer heights: 0.05 to 0.55 mm · .gcode

Questions

Yes. Upload an STL or 3MF of up to 50 MB to SpeakCAD's online slicer, pick the Prusa MK4S and its nozzle (0.25, 0.3, 0.4, 0.5, 0.6 and 0.8 mm), choose the layer height, filament, infill and supports, and download a .gcode file. It slices with the Prusa MK4S's OrcaSlicer 2.4.2 profile (250 x 210 x 220 mm), in the browser on a computer, a Chromebook, an iPad or a phone. 1 free slice with a free account, no card.

A plain .gcode file, sliced with the Prusa CORE One's own OrcaSlicer profile. Copy it to the printer's storage (memory card or USB drive) or upload it through the printer's web interface or app, where the model has one.

13 models: CORE One, CORE One HF, CORE One L, CORE One L HF, MINI, MINI IS, MK3.5, MK3S, MK4, MK4S, MK4S HF, XL and XL 5T. Prusa CORE One, Prusa MINI, Prusa MK4S and Prusa XL have a page of their own with the bed size, layer heights and prompts sized for them.

The Prusa XL: 360 x 360 x 360 mm in its OrcaSlicer profile. The smallest is the Prusa MINI IS, 180 x 180 x 180 mm. The online slicer warns when an uploaded model does not fit the bed of the printer you picked.

Nozzles of 0.25 mm (9 models), 0.3 mm (4 models), 0.4 mm (13 models), 0.5 mm (8 models), 0.6 mm (13 models) and 0.8 mm (13 models). The print presets go from 0.05 to 0.56 mm layers, depending on the nozzle. Filament presets: PLA, PETG, ABS, ASA, TPU, PLA-CF, PETG-CF, PC, PA, PA-CF.

The online slicer gives every account 1 free slice, its first (a free account, no card). After that, a slice uses one slice from a Slicer pack (20 slices for $3, once, never expire) or 5 credits, and slicing is included in Pro and Unlimited. Re-slicing the same file with other settings within 10 minutes is free.

Slice your next Prusa print in the browser

Upload the STL or 3MF, pick the model and download the .gcode.