Coalymer
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At a glance
Founding
05.09.2023
founder
Jörg Petri
Product launch
01.02.2026
Start-up phase
Seed phase
Performance
Pitch
New Digital Craft GmbH
New Digital Craft (NDC) develops CO₂-storing materials and combines them with digital manufacturing to enable a new generation of sustainable building and urban space solutions.
Our focus is on developing cement-free materials that bind CO₂ long-term through the use of biochar and, together with additive manufacturing technologies, create new possibilities for architecture, landscape architecture, and public spaces. Digital planning, computational design, and 3D printing form a seamless development and production process – from material innovation to a mass-produced product.
With Coalymer We have developed our first market-ready product: a CO₂-storing piece of urban furniture that demonstrates how design, material innovation, and climate protection can merge into an economically scalable solution. Coalymer is also the starting point for a growing product family of climate-positive elements for public spaces.
Our vision extends far beyond individual products. We are convinced that in the future, cities will not only produce fewer emissions, but will themselves become part of the climate protection solution. By 2050, street furniture, public squares, facades, and other building components should function as active CO₂ storage, thus transforming the built environment into a long-term carbon sink.
New Digital Craft positions itself as a ConstructionTech and GreenTech company at the intersection of materials research, computational design, and digital manufacturing. Together with industry partners, we develop scalable solutions for a climate-neutral and circular construction industry.
Key areas
- CO₂-storing materials
- Digital manufacturing and large-scale 3D printing
- Computational Design
- Additive manufacturing for architecture and construction
- Circular building materials and products
- Sustainable street furniture and urban space solutions
- Material development and product innovation


Description
What if our cities not only emitted less CO₂ in the future, but actively stored carbon? The Heidelberg-based GreenTech company New Digital Craft is working precisely on this future. We develop CO₂-storing materials and combine them with digital manufacturing to create a new generation of climate-positive architectural and urban space solutions – from innovative materials to mass-produced products such as Coalymer.
Problem solving
The construction industry is one of the world's largest CO₂ emitters and is simultaneously under increasing pressure to use resources more efficiently and build more sustainably. New Digital Craft addresses this challenge with a combination of CO₂-storing materials and digital manufacturing. Our cement-free materials bind carbon long-term, while additive manufacturing reduces material usage, waste, and production costs. This results in economically scalable, climate-positive products and building components that combine sustainability, design freedom, and industrial manufacturing.
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