Op-Art Bisque Porcelain Floor Vase – Martin Freyer for Rosenthal, 1976

Large-scale floor vase in fine white bisque porcelain by Martin Freyer for Rosenthal Studio-Line, Germany, designed between late 1960s to early 1970s. The surface is worked in a raised geometric relief that shifts optically as light moves across it, characteristic of Freyer's Op Art designs for Rosenthal. Produced in unglazed bisque porcelain, which gives the relief a matte, tactile finish rather than a reflective one.

• Dimensions: H 43 cm, W 14 cm, D 10 cm
  
• Material: Bisque porcelain
  
• Brand: Rosenthal
  
• Designer: Martin Freyer
  
• Color: White
  
• Condition: Very good vintage condition, minimal signs of age; soft, authentic patina, no chips or cracks
  
• Era: 1976
  
• Origin: Germany
  

Ideal for collectors of German Studio-Line design and Op Art objects, and for large-scale statement pieces in modernist or minimalist interiors. At 43 cm tall, it works well as a freestanding floor piece rather than a tabletop object.

Martin Freyer (1909–1975) trained in painting, industrial design and stage design in Darmstadt and at the Reimann School in Berlin, and worked across Switzerland, Italy, France and the United States, where he designed interiors and stage sets. He is also known for having designed the Volkswagen logo. From 1964 to 1974 he worked with Rosenthal, producing a series of Op Art-influenced pieces for the Studio-Line that combined geometric precision with tactile surface treatment.

Rosenthal Studio-Line, launched in 1961, was Rosenthal's experimental design programme, bringing in international designers and artists, including Tapio Wirkkala, Bjørn Wiinblad and Freyer, to push porcelain beyond tableware into abstraction and object design. Freyer's Op Art vases remain among the line's more distinctive sculptural outputs from this period.