How to Make your own crossword puzzles
In order to make crossword puzzles, you have to have an extensive vocabulary, and that doesn't mean including vulgar words into your crossword puzzle, except maybe boner. Your puzzle design must be symmetrical, of course, and perhaps the standard grid size of 15x15.
It's easiest to work from the biggest words to the smallest words, but not small words like two or one letter words, because they aren't allowed.
So, if you want to be the next Will Shortz, just check out this video tutorial to make intelligent crosswords puzzles for the masses.