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3D Printing for Architects with MakerBot by Matthew B. Stokes

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Basics of Fused Deposition Modeling

In FDM, the material is fed from a spool through an extrusion nozzle where either the nozzle or the platform is moving, so as to again trace the cross-section of the desired part at the given layer onto the platform. The nozzle has control to turn the flow on/off and in general applications, the nozzle is heated to melt a thermoplastic material, which immediately hardens, solidifying to the layer below it. This process can be seen in the following image:

Basics of Fused Deposition Modeling

FDM printing

The source of this image can be found at http://reprap.org/wiki/File:FFF.png.

Similar to SLA printing, FDM requires a supporting structure to account ...

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