There are lots of 3D printers on demo here at SIGGRAPH in Vancouver. Everywhere I turn, there seems to be a printer generating a small plastic model.

Stratasys has an FDM printer and a Polyjet printer on display, as well as lots of models that were printed on those machines. Some complex models even have moving parts.

There’s a toy clock, complete with interlocking gears, that looks like it was assembled from multiple pieces, but it was actually printed as one single, solid part. When the piece is printed, each of the gears and clock hands are connected by “support structures” that can be cleaned away using a high-PH bath or a water jet, leaving only the interconnected moving pieces.Though Stratasys manufactures the printers, they don’t sell to end users. But they do work with service bureaus like Red Eye, Harvest Technologies, and Solid Concepts that can be contracted to print out your models and parts.

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