Ir. Trappenburg, J.

Academic Background

Ir. Joep Trappenburg is a part-time Lecturer and Design Coach at the faculty of IDE. He teaches skills courses like Design Drawing and SolidWorks CAD Modelling, and coaches students in learning to become an industrial designer.

His main job is as an independent Industrial Designer, working for Dutch and international companies.

Several products in his portfolio have won design awards. His most known design (designed as a member of the Vanderveer Designers team) being the Yepp child bicycle seats for GMG (awarded with i.a. Red Dot, Eurobike Award, GIO). He is currently working on bicycle parts and professional welding torches.

His ambition is to use his design skills to help slow down climate change and support the transition to a Circular Economy. He strives to help his students become skillful and thoughtful world improvers.


  • 1994 – 2002
    Industrial Design Engineering, Delft University of Technology


  • 2017 – now:
    Part-time lecturer, Delft University of Technology, Faculty of Industrial Design Engineering
  • 2013  now:
    Independent Industrial Designer, Trappenburg Design
  • 2005  2013:
    Senior Industrial Designer, Vanderveer Designers
  • 2002  2005:
    Freelance Industrial Designer, working for several well-known Dutch design studios
  • 1996  2000:
    Student Assistant Design Drawing, Delft University of Technology, Faculty of Industrial Design Engineering

Lectures and/or coaches students on:

  • PO1
  • PO2
  • PO4
  • Design Drawing
  • Manufacturing & Design
  • TecDoc (SolidWorks 3D Modelling)
  • Towards Circular Product Design

Secondary employment

Independent Industrial Designer at Trappenburg Design. I work for Dutch and International SMEs on a broad range of products. I strive to combine good looks with usability, sustainability and manufacturability at acceptable costs. My pay-off is Thoughtful Design. The Circular Economy has my special interest. I help companies developing products for profit and well-being in a Circular Economy.

Expertise: bicycles & parts, child & baby products, (office) furniture, e-mobility, tools (i.a. welding torches).
Specialties: Concepting & Development