 The Cupcake CNC featured a usable build volume of 100 mm x 100 mm x 130 mm (L/W/H) and has outside dimensions of 350 mm x 240 mm x 450 mm.Because of the open source nature of the product, any suggestions for improvements came from users.During its primary production run (April 2009 to September 2010), the Cupcake CNC kit was updated several times to incorporate new upgrades into each successive version.