Computer-aided design (CAD) has become a standard tool in the jewellery trade, sitting alongside — not replacing — hand drawing and bench skills. A jewellery CAD model is a precise three-dimensional object: every wall thickness, stone seat and prong is modelled to real dimensions, and the file can be checked, priced, revised and sent straight to a growing machine for casting.
What CAD changes
Hand drawing communicates a design; CAD specifies it. Because the model carries true measurements, it answers manufacturing questions before any metal is cut — how much the piece will weigh, whether a stone sits at the right depth, whether a wall will survive wear. For client work, a rendered image of the CAD model lets a customer approve a one-off commission before it exists.
Who uses it
Manufacturing jewellers use CAD for production lines and custom work; independent designers use it to offer bespoke pieces without maintaining a full workshop; and repairers use it to recreate missing parts such as a broken filigree gallery. Most working designers today pair CAD literacy with hand-drawing fluency, using each where it fits.
How the skills connect
CAD output normally enters production through lost-wax casting: the model is printed in resin or cast in wax, then invested and burned out for metal. A designer who understands both sides — the digital modelling and the casting process — designs pieces that survive manufacture. At JDMIS the CAD track runs from DD100 fundamentals through advanced modelling, alongside the hand design drawing and metalsmithing courses, so students learn the whole chain.