You should try out: http://3dtin.com http://3dtin.com for a MineCraft experience, or you can use http://tinkercad.com http://tinkercad.com for a more CAD-like d

You should try out: http://3dtin.com http://3dtin.com for a MineCraft experience, or you can use http://tinkercad.com http://tinkercad.com for a more CAD-like design. Both pretty cool and export STLs needed for manufacturing in 3D.