Paragraph 6(1) of the Copyright, Designs and Patents Act 1988 prevents copyright from subsisting in an artistic work made before 1st June 1957 which at the time when the work was made constituted a design capable of registration under the Registered Designs Act 1949 or under the enactments repealed by that Act, and was used, or intended to be used, as a model or pattern to be multiplied by an industrial process.