Fishing & Cruising Charts for Lough Corrib

& lakes in the West of Ireland

Save the file as, THEN export as shapefile. This will be the shoreline you import into RM. It automatically takes the name of the mp you just saved.

Now make a rectangle polygon  using Navico Land, it doesnt need to be accurate as we will trim this later.

Now select the lake shoreline - right click - copy, this places the shoreline on the clipboard