Скачать или смотреть The stairs of the tallest 3D‑printed concrete tower in the world

Discover a one‑of‑a‑kind project: the stairs of the world’s tallest building ever 3D printed in concrete.
These stairs connect the ground floor to the first floor over a height of 3.66 m (12 ft) and perfectly showcase the potential of off‑site 3D concrete printing in construction.

✅ 100% off‑site fabrication: each step was printed with the MaxiPrinter in a controlled environment, then transported and bolted on‑site.
✅ High‑performance material: using Sika 733, with 3 tons of material and zero waste generated.
✅ Speed and precision: only 3 days of 3D printing and 2 days of installation for a total cost of €15,000.

This project demonstrates how 3D concrete printing can produce complex, modular architectural elements with optimized resources, paving the way for new, sustainable, and innovative construction methods.

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