Trajectory heart 3D model

This script (3DS Max) can create the track's guiding shapes, car rig (many cars supported also) and animate the cars looping the track specific number of laps. Car's acceleretion, wheels' rotation start position are calculeted by the script.Youtube tutorial for animation of 1 car, the track is created from scratch:https://youtu.be/cm-Vsu6eL6c