Original Prusa SL1S SPEED Desktop SLA 3D Printer Has Arrived

Prusa unveils the improved version of the SL1 with a new high-resolution monochrome LCD, larger print platform and all cumulative updates from the entire lifespan of the SL1. The new SL1S SPEED is a fast machine that produces detailed 3D prints, according to the company. 

The SL1S Speed offers even better print quality than the original SL1, according to the company. The company touched up nearly all of the SL1’s main features. The print platform is 25% larger to match the new 5.96’-in. LCD screen, and it now has a tapered top. The new print volume is 127×80×150 mm, and the SL1S can now cure a single layer in 1.4 seconds (low layer height, transparent resin) and can reach up to 80 mm/hr using 0.1 mm layer height and transparent resin, which is works for quick prototyping.

Standard tough 405nm resins can be cured in 1.6-2.5 seconds, depending on the object size, resin manufacturer and layer height. Advanced materials that would otherwise require 20+ seconds per layer can be cured in only 3-4 seconds. However, measuring an SLA 3D printer speed is not just about the exposure times. This is why the company made the tilt and platform movement nearly three times faster, the company reports. Prusa also redesigned the tank, increased the total power of the UV LED panel and improved the firmware. Using the draft quality option, users can now print a 150 mm tall object in 2 hours.

A monochrome LCD works well for SLA 3D printers because it offers improved UV light transmission, which means shorter exposure times, better print quality, and faster printing, Prusa reports. Plus, the SL1’s mono LCD has four times the lifespan of a regular RGB display—more than 2,000 hours. 

The Original Prusa SL1S Speed and the updated Curing and Washing Machine (CW1S) are already on the e-shop. Users can get the SL1->SL1S upgrade kit here, and a discounted bundle is also available. Shipping starts in late June / early July 2021.

For more details in a blog, click here.

Sources: Press materials received from the company and additional information gleaned from the company’s website.