How do I use a .bsg file?

Black Hole (my version)

uploaded by Mohamad5667782 5 months ago


i see the black hole and i make my version not the same of original just press y
posted by Blitsplatapus 5 months ago
how many vacuums did you put on this contraption?, same as Daichi's black hole or more than?


posted by Mohamad5667782 5 months ago
no lot more
i have a little problem i wish i can fixed