The open-cage printer will work using "fused filament fabrication" with 1.75mm filament, and will also feature 100 micron layer resolution (0.1 millimeter), rigid aluminum construction, an open-source software tool chain and optional heated build platform.

ENGADGET

There are millions of unemployed construction workers across America ready to put on their tool belt and get dirty.

WHITEHOUSE: President Obama Discussed the American Jobs Act

For items where construction costs vary by region--say, a gravel driveway--the Web tool gives you tips on how to look up a realistic cost.

FORBES: Depreciate It