Craftsman 500mw Laser Engraving Machine, 40x30cm CNC Router 12V USB Laser Engraver Desktop CNC DIY Picture Making Printer (500mw) Price: $179.99 (as of 16/05/2019 10:37 PST- Details)

Make sure this fits by entering your model number.
1, The maximum engraving area of 30* 40CM ,the software is GRBL, easy to use, free upgrades. software support windows XP, WIN 7, WIN 8 ,WIN10,Pls download manual via this link :
2, Aluminum material + acrylic simultaneously produced on a more solid look tall. Links for how to assemble and install this machine :