Few more 3D printers has been introduced by MakerBot on Monday, which includes Replicator Mini, company has made it as a desktop unit for beginners. However, entry-level Replicator mini costs $ 1,375 and has a build volume of 75 cubic inches. MakerBot is also upto a Replicator desktop 3D printer with a 456-cubic-inch build volume and the Replicator Z18 which …