Mecabrick Prints

Hello, i am new to the 3D printing world. I just purchased a P1S. I have successfully printed a few things and i am hooked!

I recently saw a video where someone imported an .stl file from the mecabrick website and printed their own block. I followed the video step by step and printed 2 bricks in PLA Basic. The problem was, they did not click together well and they just fall apart.

With as new as i am, i am unsure about all the settings. I just imported the file and printed as is in Bambu studio.

I was hoping someone could give me some insight as to how to make the bricks work? I am thinking it must be an issue with the settings? I have to imagine someone here has successfully done this and maybe willing to share some setting information? I have looked at all types of videos, but no one discusses the settings. They show the print and how the blocks snap together.

My end game is to make a buildable set and put it together.

I am new to this forum and still figuring my way around. Maybe this has already been discussed? i have not found a discussion yet…

Thanks in advance for any help