Because people are adding extra puzzles here's an old one by me. Samurai skyscraper. 5 overlapping 5 by 5 grids. each grid skyscrapers of heights 1-5. Numbers outside indicate the number of visible skyscrapers. smaller skyscrapers hide behind bigger ones. (just like normal) Clues go in all bordering directions.
Also posted this one in the puzzlepicnic facebook group.