The Metamorphosis 61A47 Vase from Bomma features Rony Plesl's geometric cut patterns applied to a distinct vessel form within the collection. Master cutters at Nižbor glassworks spend extended periods on each piece, carefully carving the intricate motifs into hand-blown crystal. The cutting transforms the smooth mouth-blown surface into a faceted exterior that catches and bends light through its angular planes. Small inconsistencies in the pattern indicate the manual nature of the cutting process, where precision and extended concentration are required.