Contents
- What Is Stereolithography (SLA) 3D Printing?
- How Does SLA 3D Printing Work?
- A Brief History of Stereolithography
- Desktop SLA 3D Printers Disrupt the Market
- The Next Chapter: LFD Print Engine
- Why Choose SLA 3D Printing?
- SLA 3D Printing Applications
- SLA 3D Printing Materials
- Bringing SLA 3D Printing In-House
- Get Started With In-House SLA 3D Printing
What is Stereolithography 3D Printing?
Stereolithography, also known as vat photopolymerization or resin 3D printing, is an additive manufacturing process where a light source cures liquid resin into hardened plastic.
How Does SLA 3D Printing Work?
SLA 3D printing uses a light source to cure liquid resin into three-dimensional objects by exposing a vat or tank of resin to a light source, which hardens it. Traditional, top-down SLA 3D printers had that light source positioned above the vat of liquid resin. Inverted stereolithography, first introduced in 2011 by Formlabs co-founders Max Lobovsky, David Cranor, and Natan Linder, positions the light source below the vat of resin; the cross-section is traced on the bottom-most layer of resin, which is backfilled as the build platform lifts up and allows liquid resin to flow underneath the previously cured layer.
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