onion screen transformation
in many 2d animation softwere there is option to transform your previous keyframe for better tracing . there is some add ones on internet like this - youtube.com/watch at 2.40
i also add video of that addone please check it out
This idea was marked as a duplicate of Shift and Trace for Grease pencil. .
1 Comment
I just wrapped up making it. You can get it on gumroad, search shift and trace
The addon will always be free because its something that essential and will always be needed.