This very affordable entry model by tevo has a sturdy aluminium frame and comes with an LCD screen and heated bed. The 3D printer is a complete DIY kit (unassembled), everything is included to assemble this kit and designed to be easily assembled.
![electron1.jpg]( "electron1.jpg")
http://3dprinting.com/3dprinters/electron-3d-slimbot-now-for-only-225-at-3dprintersonlinestore-com/
http://3dprinting.com/3dprinters/electron-3d-slimbot-now-for-only-225-at-3dprintersonlinestore-com/