Here's some tips for making a duvet cover for your boat. 1. Look at the shape of your mattress and find the closest standard size to start.  We are fortunate that our mattress on board is pretty close to a full size.  The foot cuts in a bit but not too much.  The chart will help determine the amount of fabric needed.  You may want to take the boat mattress and make a pattern out of brown paper or an inexpensive shower curtain that way you can account for any odd angles.  Allow about 12"of overhang depending on how deep your mattress is, how much space you have on the side of the berth or if you are going to tuck the coverunder the mattress.  (You see that a lot on those big fancy yachts!) NOTE:  The above chart is for one side.  Read more [...]