It's so easy!
There are a million ways to create a spread. In order to show you just how much you can do with tarot cards, I've put together a massive list of various 3-card variations. Here they are!
1) Past, Present, Future
2) Person 1, Person 2, Their relationship
3) Option 1, Option 2, Advice
4) Sun, Moon, Rising [of a person]
5) Situation, Something you don’t know, Advice
6) Mind, Body, Soul
7) Work, Life, How to balance (i.e. work-life balance)
8) Astrology transit (i.e. full moon, Mercury rx, etc.), How it’ll affect me, How I should handle it
9) Best outcome, Worst outcome, Real outcome
10) Overthinking reason 1, Reason 2, Reason 3
11) Beginning, Middle, End
12) Idea, Process, Ending
13) Strengths, Weaknesses, Advice
14) What I'm seeing, What I'm missing, Next step