Joe explains how to use a MEL script written for the storyboarding process used at Raconteur. It copies all the keyframes on a specified frame, then inserts a duplicate into the timeline to create a 2 identical sets of  keyframes.


select -r `ls -type animCurve`;
selectKey`ls -typ animCurve`;
timeSliderEditKeys addInbetween;
currentTime (`currentTime -q` + 1);
selectKey -clear;
selectKey -add -t (`currentTime -q`);
currentTime (`currentTime -q` – 1);
pasteKey -time (`currentTime -q`) -option merge;
keyTangent -itt auto -ott auto;
currentTime (`currentTime -q` + 1);

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