Tribon is a cad package (computer aided design) used for modelling ships, A draughtsman / draughtswoman is a person who produces technical drawings - from design to detail parts and is commenly called a draughter - draughters is the plural. Tribon Draughters would therefore be designers capable of using the Tribon CAD package.
Tribon is a naval architecture program originally developed by Kockum Computer Systems (KCS) for designing commercial and naval vessels
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