with a few degrees of arc at the extremities of the line segments, a hyperboloid paramterisation yields a set of pupæ-like forms, dormant at this stage on the paper but getting ready to struggle free from the cellulose fibres holding them: carefully lay this down in a warm dark box - perhaps in a few weeks there will be a barely audible fluttering of soft wings against the lid . physical pen plot (26x26 cm, Winsor & Newton 0.1 fineliner on 180g Bristol) . twitter.com/aigardening1 | instagram.com/a.i.gardening