The terrace is located on the second floor of a residential tower and receives the brunt of debris that falls from the neighbour's balconies above. This makes the terrace is quite unsafe for the client and their three young children to use. Our aim is to build a canopy that can funnel this rubbish into safe containers and still create a great space for entertaining and play for the kids. Using a particle system written for a parametric program, we were able to use the site constraints to inform a compressional structure based on hooke's law. Due to the restrictive access on site, the canopy structural organisation acts as series of smaller interlocking components allow for effective site logistics and installation. Each component varies in width and depth according to their structural requirements.