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FLIP Fluids Tutorial! Episode #7: Buoyancy Tricks [$]
by Bart VeldhuizenLearn how to achieve amazing effects with the popular Flip Fluids add-on.
Blenderphysics writes:
Welcome to episode 7 in our learning series. We will teach you in how to fake buoyancy with some clever tricks.
The are three different concepts for you:
using keyframes
using rigid bodies
using both