The potential for home 3D printing has regularly been limited by size; even MakerBot's Replicator 2 can only go so far in matching our ambitions. Solidoodle sees that deficit as a chance to make its name in a still very young industry. Its new Solidoodle 3 printer covers an extra two inches in every dimension than the Solidoodle 2, doubling the printable area to an extra-large 512 cubic inches. T