NOTE: I should be using the word diffraction and not interference in this video because it is only a single slit.
Here is a follow up showing that the placement is key and not just the lens.
More info about this here,
https://en.m.wikipedia.org/wiki/Double-slit_experiment?fbclid=IwAR1WnU2PSZnwlpQ89jFIPG2KcncZvYcqykttpskcGFS9XUpXFD9XInL_j9M