1. A basic, unrefined, or roughly made design that lacks detail, sophistication, or polish
The architect presented a crude design for the building before refining it further.
O arquiteto apresentou um design rudimentar para o edifício antes de refiná-lo.
2. An initial or preliminary design concept that serves as a starting point for development
We started with a crude design and improved it through several iterations.
Começamos com um design rudimentar e o melhoramos através de várias iterações.