i saw a 3 wheeler unicycle and have to have one. and after realising my lack of money 🙁 ,i decided it needs to be built, and i geuss i just wanna give it a go.
You should build a two wheeler instead, I'm sure it'd be easier to make 🙂
Seriously though, as long as you're careful (and can weld) it shouldn't be too hard. You might want to spend some time looking at existing designs.
There are some different examples on John Foss' garage pages:
