Need some help or advice

Right, have a polo 6n and am sick of ripping off sump nuts so I think it's time to invest in getting a sump guard made up.

Now I've contacted a local sheet metal firm and they have asked me to provide a drawing of what I will need, now if anybody had the dimensions of a vw polo 6n 1999 1 litre sump this would be awesome, or a technical drawing of one, even better.

If anybody could get me a picture of underneath their polo as it's a bit easier than jacking mine up and getting light under at the same time I would greatly appreciate this.

Also, if anybody knows of another alternative, or a place where I can find some thick sheet metal, then that would be brilliant