Is the bullet engine independent from other companies?

Gosh, I need to get off my butt and learn to use that. I heard the settings for fabric behave differently in that though?

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Feel free to call me Ohki!

Poser Pro 11, Poser 12 and Poser 13, Windows 10, Superfly junkie. My units are milimeters.

Persephone (the computer): AMD Ryzen 9 5900x, RTX 3070 GPU, 96gb ram.