team fotress 2

I'm currently tying to make a custom TF2 model(static) for my map but I can't find any information on how to do it. The best I could find was a tutorial for garry's mod. I tried following it by downloading blender source tools and then exporting the models from blender as a .smd files, then I...

I have a problem that the control point works perfectly, it counts down when it can be occupied, but as soon as I touch the map and modify something, it no longer counts down, only the control point opens. What can I do to prevent this from happening every time?

How do I fix the black on this block? Its only this side that is black, doing min light .1 or more effects the entire block and its only the side that is doing this.