Prototyping is an indispensable stage between design and manufacture. Accuracy is the basis for selecting the right process for Prototyping, as they may not require to fulfil mechanical requirements like strength.
Assembly of components – mechanical, electrical, electronics – can be done by building dimensionally correct prototypes, the first step of prototyping – validation of Computer Aided Design data of new designs.
Essentially, Ease of Access for assembly, disassembly and routine maintenance can be checked, where the project demands, through these prototypes.