Prusa Research SL1S SPEED
Prusa Research

SL1S SPEED

Build: 127×80×150 mmVolume: 1.52 LXY res: 49 µmLight: Monolithic UV LED Array + Collimator
MSRP
$2.0k
Where to buy

No active listings right now.

Best use cases

Medical research labs, dental crowns, rapid tooling engineering pieces

Full specifications

Build

Build envelope
127×80×150 mm
Build volume
1.52 L
Process
mSLA / LCD

Light & optics

Light/laser source
Monolithic UV LED Array + Collimator
Optical engine
5.96-inch 2K Mono LCD
Light/laser power
600 mW
Optical wavelength
405 nm
XY resolution
49 µm
Min layer thickness
25 µm
Heated vat temp
35 °C
Peeling mechanism
Tilting Bed Peeling Mechanism

Resin handling

Vat capacity
0.6 L
Open material architecture
Yes
Automated resin handling
N
Compatible resin families
Tough, Dental, Flex, Castable, Standard

Physical

Max print speed
100 mm/h
Power consumption
100 W
Machine weight
11 kg
Best use cases
Medical research labs, dental crowns, rapid tooling engineering pieces

Data quality

Data confidence
High
Data sources
https://www.prusa3d.com/product/original-prusa-sl1s-speed-3d-printer/; https://www.prusa3d.com/category/3d-printers/

Accessories for this printer

Browse all →

Similar printers

MSRP
$2.0k
No listing
3D3DPrintInfo

The reference for every consumer and prosumer 3D printer, material and accessory — researched, compared and explained.

3DPrintInfo is reader-supported. Some links are affiliate links — we may earn a small commission if you click through and make a purchase, at no additional cost to you. These commissions help keep the site running and never affect which products we list, the specs we publish, or our ratings. Our editorial choices are independent of any affiliate relationship.

As an Amazon Associate I earn from qualifying purchases. Prices, availability and retailer offers change frequently and are set by the retailer, not by us — always check the retailer's page for the current price and terms before buying. Read the full Affiliate Disclosure.

© 2026 3DPrintInfo. All rights reserved.