exists some script to export to OpenGL, is possible?
There’s an outdated script to export to opengl. Probably the easiest thing to do is to export with the obj format. Take a look at it after you export a simple model and it will be easy to understand how to import it into your opengl program. This won’t work for animated objects, of course. For those, you’ll need a format like directx, or md2. You can also write your own export script. It’s not really that hard. There’s a pretty good tutorial at blender3d newb to pro.