De Beer stands out as a key figure in Dutch art of the 1960s, exemplifying the era’s embrace of Minimalism and geometric abstraction while maintaining a focus on the human form. His work skillfully balances figuration and abstraction, creating a timeless and universal image that reflects modernist principles. De Beer’s approach emphasizes clarity and simplicity, engaging tactilely with traditional sculptural materials in line with the mid-century modern movement. His sculptures have been featured in auctions and private collections, securing his reputation as an important contributor to 20th-century Dutch sculpture.