Smith Ironworks uncovered the hidden potential of the PeddiBot-1200 in 2021 when they were faced with a shortage of joists. A staple of steel construction, joists play a critical role in supporting the concentrated loads of a building. Without main member support, heavy constructions cannot be completed. Kelli and Blake combined their knowledge of structural steel fabrication and came up with a solution to their shortage crisis - castellated beams to replace joists.