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Circular sPrint is a hybrid design sprint ,taking place online and at a fablab,

for PhD students and industry professionals.

Learn to implement Circular Design by using 3D printing as a tool.


Join us to find solutions for real-world challenges brought by our partner companies and add your input towards a more sustainable future.

The event is highly recommended for PhD students and professionals working in fields such as product design, engineering, logistics, sustainability and consumer psychology.

Subscribe for the 2021 events!

PHD students and professionals:

Take part in CRAFTH Circular SPrint 2021 in one of three locations:


Aalto ADDLAD Espoo, TU Clausthal or UGent campus Kortrijk CDF lab.


In week 1 participants follow lectures online. In week 2 we take ideation and prototyping to the next level at the fablab of your choice.

Each location collaborates with local industry partners who propose a case.

The Circular sPrint format

CIRCULAR SPRINT addresses Circular Economy in a multidisciplinary and project-based manner. The event challenges PhD students, professional designers and companies, coming from a wide background, in combining Additive Manufacturing technologies (AM) and Circular Design (CD) to address specific design problems or challenges related to the implementation of a more circular economy.


Participants will be divided into multidisiplinary teams and matched with real industry cases and partners selected by the organizers. The teams will be challenged to deliver a valuable circular concept and a tangible prototype solution for a client company in a short time span.

  • Online lectures

  • Online break out sessions to support problem-solving activities

  • Access to 3D printers is provided for prototyping at the selected location

We strive to make your concepts tangible. 


Additive Manufacturing equipment in Kortrijk (BE)

  • Filament based: Ultimaker, Stratasys FDM, Mark Forged Mark 2 Fiber reinforced FDM

  • Resin based: Objet Pro 30 Polyjet, Formlabs Form 2 SLA

  • Powder based: Sinterit Lisa

Additive Manufacturing equipment in Aalto (FI)

  • Filament based: Ultimaker, Stratasys uPrint

  • Resin based: Formlabs Form 3 & 2

  • Powder based: Sinterit Lisa

  • Metal 3DP: depending on the research projects at hand.

Additive Manufacturing equipment in TU Clausthal (Germany)

  • Filament based: Ultimaker

Why a circuar sprint?

You might be thinking "2 weeks ... why so long or why spread the event that way?"  We have a good reason for that. In 2020 we hosted the first edition of Circular SPrint. The pandemic situation prevented us from organising the event we envisioned; being a one week intense hackathon at a fablab. We believe that is the time you need to get familiar with the technology while allowing you to print tangible prototypes. Instead we had to resort to a 100% online format with our staff supporting remote prototyping.

In 2021 we merge the best of 2 worlds: lectures providing in dept insights into AM & Circular design are hosted online in week 1. In week 2 the teams meet at the fablab to ideate, design and prototype using various AM techniques.

Are you interested in taking part in Circular SPrint but dealing with travel restrictions preventing you to reach the venue in week 2? Reach out to us to figure out how we can let you take part remotely.

Participants colaborate using tools such as Zoom & Miro.


*The schedule may be subject to change.


"Eyes set on a climate neutral EU


The European Green Deal is a pursuit and a roadmap towards a completely climate neutral EU before the year 2050. The goal is to restore biodiversity and cut pollution by utilizing resources more efficiently and by shifting towards a cleaner, circular economy.

Additive Manufacturing, often refered to as 3D printing,  is identified as key technology to improve maintenance, recycling, reparation of products thus making them more circular. During CRAFTH Circular Sprint companies and participants will have a chance to become aware of what these are, and how they can be utilised to innovate products and embed circular thinking into design process and business practice.

The Prototyping Circular project of Ghent University illustrates that we can also choose to use biobased and biodegradable materials in AM processes.

Meet the Coaches

Francesca Ostuzzi 

UGent (campus Kortrijk) - Design Nexus research group

Francesca holds a PhD in Industrial Design Engineering Technology from Ghent University and a Master degree in Industrial Design Engineering from Politecnico di Milano.

Both teaching and research activities focus on the overall topic of design for sustainability, meaning the design processes and outcomes aiming at triggering more sustainable futures

CASES 2020
Example Cases
2020 Honda Jazz Mirror Cover Piano White

Honda Access Europe

For the European market some Honda customers like to customize their cars by replacing standard car components (ex. Mirror casing) by genuine accessories with a different look and feel.

The mirror cases of the car are replaced with different mirror cases. How can Honda make these parts circular? Is it possible to 3D-print new mirror cases out of the old ones?


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