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Modelling inexact shapes with fuzzy sets

Recently, various papers have given consideration to how fuzzy sets might be useful in geometric computing and solid modelling. This paper reviews this previous work and related topics, and adds further observations on the use of fuzzy sets for inexact shape modelling. It is noted that many serious problems remain to be solved. The wide range of solid modelling applications requiring the generation and recognition of inexact shapes gives a good reason for further work in this area.