Welcome.
It's less a question of "bars per line" than *chords per line*.
There are 16 spaces in which a chord can be placed available on each line. A bar line can be placed in front of or after each/any of those spaces. This works well for tunes in "4" and those with few changes, less well for tunes in "3" or "5" or lengthy ones with complex changes.
Since readability is paramount, I try to opt for simplicity.
It's your choice how best to display your charts.
For a 3/4 tune you could choose to have 5 measures of three spaces on each line with an empty space at the end of each line.
Some charts wind up with "leftover" measures or spaces.
I'm looking forward to seeing what you come up with,

)BOB
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