Improved surface finish of Stereolithography (SLA) parts is an important goal for furthering
the resolution of the technology. In order to improve the surface finish, a dynamic laser beam
with changing angle, beam size, beam shape, and irradiance distribution is proposed. In this
paper, an analytical irradiance model of an angled, dynamic laser beam in the SLA process is
presented. This model is used to simulate cured shapes of SLA builds. Simulated build shapes
are compared to established SLA analytical models and conclusions are drawn on the accuracy
of the developed model.Mechanical Engineerin
