ONL is the firm of architect Kas Oosterhuis and visual artist Ilona Lénárd. Their office is located in Rotterdam.

Their firm has five mission statement points, each of which is described on their website.

  1. "Building body"
  2. "Powerlines"
  3. "Programming the point cloud"
  4. "File to factory fabrication"
  5. "Real time behaviour"
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