An introduction to stereolithography
In the past Selective Laser Sintering

(SLA) models have been treated with great care for fear of watching thousands of pounds shatter into expensive little smithereens. Aesthetic but not functional, was how bureaus promoted SLA models with SLS providing the tougher useable option.
Like those early SLA models, that whole perception has been shattered with the introduction of a tough new range of
SLA materials, which closely mimic production plastics and withstand even the most ruthless product testing.