this link may help you what you want to know...by mathanosto - RepLab Working Group
Cricut Expression Personal Electronic Cutter is an innovative die-cutting machine from Provo Craft. As the largest of the Cricut machines. Its 6 modes and 4 functions offer greater customization of cuts, and new settings and menus add functionality to the machine. IT is portable and cuts quickly and easily. Just select the image you want and press CUT! You won’t have to worry about storing expensby mathanosto - RepLab Working Group