He is known for designs which require significant time from craftspeople, despite using very inexpensive, found materials.

[1][2] Piet Hein Eek's work has an ecological focus.

His emphasis on using found materials is in service of a sustainable design practice.

[3] His designs often bring out natural qualities of his materials, giving his pieces a distinctive look.

[4] In 2018, he developed a furniture line in collaboration with IKEA.