As a design tool, rapid prototyping has proved invaluable to engineers wishing to visualise a part in 3D before setting about a full production run or deciding that further improvements can be made. From its beginnings in the mid 1980s, the process that includes selective laser sintering (SLS), stereolithography (SLA) and fused deposition modelling (FDM) has now been joined by additive manufacturing (AM).
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