Nice to see Michael Hansmeyer still following his dreams: The White Tower was finally revealed 2 weeks ago, currently the largest 3D printed structure in the world (30 meters [90ft] tall), located in a small village in Switzerland:
https://www.michael-hansmeyer.com/white-tower
(It was an honor teaching a workshop about my open source geometry, voxel, subdivision & physics tools to his MAAS students at ETH Zurich some 15 years ago, when he/they first started fabricating generative 3D sculptures/structures...)