Version HistoryInstallationUser GuideAq BulletHelper ListHelper ObjectbtBoxbtCapsulebtConebtCylinderbtSphereCompoundSB AeroHelper ConstraintUtility Tips Object helper is simple primitive object for any simulation. btObjects makes more stable and fast result than other mesh geometry. Compound object makes group of some geometries. And SB Aero makes aero dynamics effects on the softbody object.