How to automatically insert a blank row after a group of data

Question

I have created a sample table below that is similar-enough to my table in excel that it should serve to illustrate the question. I want to simply add a row after each distin

Answer 1

Just an idea, if you know the categories, as small, medium, and large mentioned above...

At the bottom of the sheet, make 3 rows that only say small, medium, and large, change the font to white, and then sort so that it alphabetizes, placing a blank row between each section.