A blueprint diagram illustrating a DIY floating raft made from plastic bottles, cardboard, and pennies, with labels for components and measurements.

"Technical blueprint or schematic of a small DIY floating raft, shown from a slightly angled top-down view. The raft consists of six empty water bottles stacked vertically in two layers of three bottles each, all wrapped in bubble wrap. A rectangular cardboard sheet sits on top of the bottles. On top of the cardboard is a flat bag of pennies, centered. Four small vertical straw towers are positioned at each corner of the cardboard to guide the penny bag. Optional: two horizontal empty bottles attached to the sides of the bottom layer as outriggers. Include clear labels and measurements: height of raft ~10 cm, maximum height 15 cm, cardboard thickness, bottle dimensions, penny bag placement, and buoyancy indication. Style: blueprint, clean lines, labeled components, technical drawing aesthetic." See more