How do I use a .bsg file?

Black Hole (my version)

uploaded by Mohamad5667782 10 months ago


i see the black hole and i make my version not the same of original just press y
posted by Blitsplatapus 10 months ago
how many vacuums did you put on this contraption?, same as Daichi's black hole or more than?


posted by Mohamad5667782 10 months ago
no lot more
i have a little problem i wish i can fixed