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88 hours. That's all it takes to 3D print a full size fishing boat. This technology was developed by a Dutch company called CEAD. It doesn't need traditional moulds. It starts with a digital model and prints the entire boat hull as one piece. It's a complete system combining the machine, materials, software and printing process. Its flagship system is called Faber Novalis. It's designed for industrial and defence grade boat hulls. A robotic arm works with a large extruder to print hulls up to 12 metres long and four metres wide. The software plans the printing path and monitors the process in real time. It can also print bulkheads and structural reinforcements directly into the hull, reducing a lot of assembly work. The biggest difference from normal 3D printing is the huge print head. It doesn't print small objects. It melts plastic pellets and pushes them through a large extruder. The robotic arm follows the digital model and builds the whole layer by layer. The main material is CEAD's own HD Pro. It's a thermoplastic composite with 25% glass fibre. It's about twice as strong and stiff as regular polyethylene, but about 10% lighter than traditional fiberglass. It's also highly impact resistant and can be recycled. CEAD has already printed multiple large boat hulls with this technology.