Step 1: Identify the artistic method.The prompt describes a sculptor using sheet metal to create freestanding forms with linear surface decoration. This aligns with techniques like repoussé and chasing on metals like copper.
Step 2: Connect the technique to the artist.P. V. Janakiram, a key figure in the Madras Art Movement, is known for his unique sculptural style utilizing beaten sheet metal (mainly copper). His freestanding, icon-like figures featured intricate linear details, matching the description. In contrast, Mrinalini Mukherjee employed hemp fibre, and Meera Mukherjee was known for bronze casting inspired by the Dhokra technique.