![Hi-Con A/S on Twitter: "From a 1:50, 3D printed version to a full-scale helical staircase installed at the Tottenham Hotspurs new stadium in London. Inspired to see more staircases? https://t.co/oVAmSrofuF #UHPC #HiCon # Hi-Con A/S on Twitter: "From a 1:50, 3D printed version to a full-scale helical staircase installed at the Tottenham Hotspurs new stadium in London. Inspired to see more staircases? https://t.co/oVAmSrofuF #UHPC #HiCon #](https://pbs.twimg.com/media/DYoklliXUAAqcn7.jpg)
Hi-Con A/S on Twitter: "From a 1:50, 3D printed version to a full-scale helical staircase installed at the Tottenham Hotspurs new stadium in London. Inspired to see more staircases? https://t.co/oVAmSrofuF #UHPC #HiCon #
![26 July 2021, North Rhine-Westphalia, Beckum: In the staircase of the first 3D printed house, one can see the concrete layers applied by means of a 3D concrete printer. PERI GmbH printed 26 July 2021, North Rhine-Westphalia, Beckum: In the staircase of the first 3D printed house, one can see the concrete layers applied by means of a 3D concrete printer. PERI GmbH printed](https://c8.alamy.com/comp/2G9F6MB/26-july-2021-north-rhine-westphalia-beckum-in-the-staircase-of-the-first-3d-printed-house-one-can-see-the-concrete-layers-applied-by-means-of-a-3d-concrete-printer-peri-gmbh-printed-germanys-first-residential-building-in-beckum-north-rhine-westphalia-the-two-storey-single-family-house-with-approx-80-square-metres-of-living-space-per-storey-was-not-built-using-conventional-construction-methods-but-was-printed-by-a-3d-concrete-printer-and-is-now-in-the-final-stages-of-completion-of-germanys-first-house-built-in-this-form-photo-guido-kirchnerdpa-2G9F6MB.jpg)
26 July 2021, North Rhine-Westphalia, Beckum: In the staircase of the first 3D printed house, one can see the concrete layers applied by means of a 3D concrete printer. PERI GmbH printed
![3D-printed formwork for bespoke concrete stairs: from computational design to digital fabrication | Semantic Scholar 3D-printed formwork for bespoke concrete stairs: from computational design to digital fabrication | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/d410ae97e3af0a4d61066928fbaa8cede286a774/8-Figure16-1.png)
3D-printed formwork for bespoke concrete stairs: from computational design to digital fabrication | Semantic Scholar
![greenway architects on Twitter: "3D printed model of helical stair designed in collaboration with Mizzi Studio. https://t.co/i5EeSkKvD5" / Twitter greenway architects on Twitter: "3D printed model of helical stair designed in collaboration with Mizzi Studio. https://t.co/i5EeSkKvD5" / Twitter](https://pbs.twimg.com/media/CYxQI4vWwAAz_Lf.jpg)