I was lucky enough to see one of Ptolemy Mann’s joyous, vibrant, colourfield textile artworks at the ‘Crafted: Makers of the Exceptional’ show earlier this year at Somerset House.  You can get a very good idea from these photos of the stunning colour combinations that she creates, but to actually see the fine detail of the delicate, lustrous threads as they slowly change colour and one shade merges into the next is truly breathtaking.  The…