Typically, someone has already designed a printer that can print other printers. Called RepRap, the printer uses open-source design plans, and all its pieces can be printed out via another printer (except a few of the metal nuts and bolts).
The Only Flameless Grill Smoker - Hammacher Schlemmer - This is the only wood chip smoker box that generates flavor-enhancing smoke without producing flames, resulting in more concentrated, robust flavor.
The Allandale House. Designed by William O’Brien Jr., the assistant professor of Architecture in Cambridge, Massachusetts, this unusual vacation house plan is an A-frame house in the forest that stands out among the trees.