![]() ![]() What are the Different Types of Rapid Prototyping? Stereolithography (SLA) or Vat Photopolymerization Compressive - whereby a semi-solid or liquid material is forced into the desired shape before being solidified, such as with casting, compressive sintering or moulding.Subtractive - whereby a block of material is carved to produce the desired shape using milling, grinding or turning. ![]() While additive manufacturing is the most common rapid prototyping process, other more conventional processes can also be used to create prototypes. However, other technologies used for RP include high-speed machining, casting, moulding and extruding. ![]() Rapid prototyping (RP) includes a variety of manufacturing technologies, although most utilise layered additive manufacturing. Where the design closely matches the proposed finished product it is said to be a high fidelity prototype, as opposed to a low fidelity prototype, where there is a marked difference between the prototype and the final product. The creation of the part, model or assembly is usually completed using additive manufacturing, or more commonly known as 3D printing. Rapid prototyping is the fast fabrication of a physical part, model or assembly using 3D computer aided design (CAD).
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