The project was my introduction into working with metal stock, it was harder to mark and required specialized tools to manipulate such as grinders, and specialized drill bits. I had to be careful cutting and drilling every aluminium piece perfectly identical or else one weak link would prevent the whole system from properly working. The pieces were riveted at the mid point to allow for the scissoring motion. Each pair of side pieces were kept together with dowels and held in place with make shift paperclip pins.