I've made several and they are all different shapes and sizes. Just depends on the pattern and the person. Gotta have room for those goodies!!!!!

I see them all sizes and shapes
Round , Square, Heart, rectangle and octagon

here is a tute for a maple leaf shaped mug rug. of course the shape and design of the mug rug is up to the maker.

http://www.quiltingboard.com/t-152026-1.htm

and here is the link for a pdf of this tute
http://static.quiltingboard.com/uplo...af_mug_rug.pdf

here is another link to some wonderful mug rugs. i hope they are not all retangular. :-)

http://www.quiltingboard.com/user_page.jsp?upnum=1692

to have a place for snack, spoon etc

Well for heaven sake girlfriend, it's so there's room for the Oreo cookies of course!

This would make the cutest potholder/hotpad, too. :D