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Inside Black Holes, by JILA’s Andrew Hamilton, offers computational simulations of the inside of a black hole. Multiple configurations are described.
https://jila.colorado.edu/~ajsh/insidebh/intro.html
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This animation from NASA’s Goddard Space Flight Center visualizes a flight around a black hole and its accretion disk.
https://svs.gsfc.nasa.gov/13326
These two simulations from the Wolfram Demonstrations Project show orbital paths around simulated black holes. They are best downloaded as workbooks to run locally, but can be previewed on the website.
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For a Schwarzschild black hole
https://demonstrations.wolfram.com/OrbitsAroundSchwarzschildBlackHoles/
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For a spinning black hole
https://demonstrations.wolfram.com/OrbitsAroundASpinningBlackHole/