Hi there!
I have one question. I woluld like to create simple 3d editor, which gonna only deform mesh. Is it possible to give one mesh a shape of other in irrlicht( and second question) and is it possible to create this type of software with irrlicht??
There are plenty of Tutorials (Examples) in the SDK which you should work through (combined with Search-function here). After that you know how to start and can ask specific questions.