“I would argue that 3D printing is more than anything an approach for organizing material. In the future, buildings may be constructed by swarms of tiny robots, she says.
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“Once we place a 3D printing head on a robotic arm, we free up these limitations almost instantly." “In traditional 3D printing the gantry-size poses an obvious limitation it is defined by three axes and typically requires the use of support material, both of which are limiting for the designer who wishes to print in larger scales and achieve structural and material complexity” explains Oxman. Oxman believes that freeform printing using robotic arms has more potential for architecture than existing 3D printing systems, which use gantries that can only move in three directions and which require complex support structures to be printed at the same time to prevent the building components collapsing under their own weight.
It will be installed on 22 April and will measure around 12 feet by 12 feet. The Silk Pavilion will be built using digital fabrication technologies at MIT’s Media Lab. The silkworm than varies the properties of silk according to function and can be considered the biological equivalent of a mobile 3D multi-material printer." “For instance, the inner layers of the cocoon are relatively soft while the outer layers of the cocoon are stiffer. "The worm rotates its head in 8-figure movements so as to allow for the distribution of silk, its density, its thickness and through these manipulations it controls its mechanical properties based on structural and environmental constraints,” says Oxman. A silk worm, for example, is able to produce a cocoon with a tough exterior and soft interior by varying the density and pattern of the silk fibres it deposits.
Today's 3D printers are mostly able to produce homogeneous materials with the same properties throughout, whereas natural materials often exhibit varying properties, or "gradients".
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