Resin printing
Also known as: SLA, MSLA
Resin printing builds objects by using light to cure liquid photopolymer resin into solid layers, producing fine surface detail.
Resin printing (including SLA and MSLA processes) hardens liquid resin layer by layer using ultraviolet light. Because each layer is defined by light rather than a moving nozzle, it captures much finer detail than FDM.
The trade-offs are messier handling, the need for post-processing washing and curing, and smaller typical build sizes. Resin is favored for miniatures, jewelry, and other detail-critical models.
FDM
FDM is a 3D printing method that builds objects layer by layer by extruding melted thermoplastic filament through a heated nozzle.
STL
STL is a common 3D file format that describes an object's surface as a mesh of triangles, used as input for 3D printing.
Supports
Supports are temporary printed structures that hold up overhanging parts of a model during printing and are removed afterward.
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