https://www.youtube.com/watch?v=d5XqqylBW7M

Building up Christopher Nolan's IMAX 70mm version of Oppenheimer.

IMAX splices use zigzag cuts in the film to create more surface length to tape the film ends together.

Christopher Nolan now holds the record for the longest IMAX film ever made. IMAX needed to extend the length of their platters to accommodate his prints of Oppenheimer for release in 2023.