Most industrial SLA printers fire a laser down into a vat of liquid polymer. This means that the vat must be deep enough to contain the entire part. As an example, an industrial SLA printer might require a 30-gallon vat of resin!
Part of what makes the Form 2 unique is that it prints upside down on the build platform. This configuration presents unique challenges, but it allows the Form 2’s design to be much more compact and resource-efficient than industrial SLA printers.
Read more about SLA printing in The Ultimate Guide to Stereolithography.