0:00 Intro 1:43 FLIP solver set up 8:10 POP VOP with age ramp set up 10:50 Ramp Parameter explanation 14:50 POP VOP with speed ramp set up 21:56 POP VOP with age and speed set up 26:00 Final result / wrap up In this video I'll walk though how to drive the viscosity of a flip sim with any attribute inside DOPs, using a POP VOP. I don't cover the shading / rendering in this video, but I have uploaded the hip file to gumroad. Check out my website for other tips / tuorials