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Projects

Beamä
Beamä is a plug-and-play payment layer that enables Swiss e-commerce and physical merchants to accept instant bank payments via the existing national infrastructure. By providing a seamless Stripe-like integration for the new instant settlement standard, the platform bypasses legacy card networks to offer real-time transaction finality. It effectively serves as a modern, developer-centric alternative for merchants seeking the speed of Twint with the global integration standards of modern fintech....
Octaris
We built an open-source 3D bioprinter to connect the Life Science Lab and Makerspace. Starting with tie-dye bacteria printing on fabric, we aim to make bioprinting accessible, inspire experimentation, and design another printer🧫🐙✨ We have built our 3D bioprinter following an open-source protocol and validated it with some first test prints. Our next step is to establish a reliable workflow by printing tie-dye with bacteria on fabric to better understand the system. As we gain experience, we aim to explore additional bioengineering applications and ultimately use our insights to design a more advanced next-generation bioprinter. Our project began after several setbacks with previous ideas, when we decided we wanted to build something tangible and came across an open-source protocol for a 3D bioprinter. Since we’re all interested in bioengineering, we saw it as the perfect chance to get hands-on experience. ...
Recycling 3D Printer Plastics
After finding out that SPH doesn't recycle its waste plastic from the 3D printers, I wanted to do something about that. Recycling these plastics is possible, and with enough care taken to sort them, they can be reused for 3D printing with results comparable to original filament. The extrusion is then carried out with an Artme MK3. Most of the input material is failed 3D prints, design iterations, and support material. That needs to be sorted for a high quality result, removing impurities and other types of plastics. One difficulty for reaching a good quality result is purity: PLA and PETG need to be reliably separated. After shredding into granules, the material is extruded into 1.75+/-0.03mm filament. This is comparable to Prusa's commercial PRUSAMENT at 1.75+/-0.02mm. ...
RoboticGen Academy: Journey-based STEM puzzles
Journey-based STEM Education with Obo’s Odyssey: Unlock your inner hero! Obo's Odyssey offers a unique journey-based STEM education experience for K-12 students, blending the excitement of engineering and technology with the thrill of adventure. Through our online platform, learners embark on a mission with Obo Jr., a robot poised to become a superhero. This adventure is packed with weekly challenges that are not only engaging but also align with the Sustainable Development Goals, fostering a deeper understanding and commitment to global issues. Our rich ecosystem includes physical and hybrid online programs, competitions, and workshops, designed to provide a comprehensive learning experience. Starting in Sri Lanka with over 50 enthusiastic participants, our initiative is rapidly expanding, inviting students worldwide to join the quest. At Obo's Odyssey, we believe in nurturing the innovators, problem-solvers, and leaders of tomorrow by making STEM education a captivating journey towards making a meaningful impact. Embark on this educational adventure and help shape a sustainable future, one challenge at a time....
Stack Auth
Stack Auth (YC S24) is the open-source Auth0 alternative. We build your login and signup pages, and everything that comes with that. We are the most developer-friendly auth solution. Setting up Stack takes just five minutes; after that, you will immediately be able to use our features such as two-factor authentication, social logins/OAuth, magic links & passwords, authorization, RBAC, user management, impersonation, webhooks, and more. Our JavaScript packages include ready-to-use React components that let you skip building the frontend pages for account settings, forgot-password flows, and user dashboards. Thanks to this, we have thousands of GitHub stars, and are growing incredibly quickly. Konsti and Zai met while studying computer science at ETH Zurich and incubated this project at SPH. We are repeat founders with work experience at Google and Jane Street, and published papers at top conferences. We are also hiring — if you're passionate about the future of devtools and the web, we should talk. Send us your CV team@stack-auth.com...