Questions for ‘Insect-inspired drones work together to 3-D print structures’
![a photo of a drone printer "printing" a concrete-like structure on a tabletop](https://www.snexplores.org/wp-content/uploads/2023/01/1440_swarming_drone_printers_feat-1030x580.jpg)
Two identical drones worked together to build a cake-sized cylinder. When one drone went to reload, the other hovered over the structure, squirting out ribbons of a cement-like material.
Imperial College London, University College London, University of Bath