I quickly made a 3D part of it, figuring it should look quite similar and would have been a single stage press stamping part.
Just eyeballed the main dimensions from a few blurry pictures off course.
Edit1: The upper picture is from Yoep Kortekaas his bike, its a true CR750 kit bike with almost all of the original parts.
Edit2: The second picture is from Paul McGhie his bike, also a true CR750 kit bike with almost all of the original parts, redid my drawings to match a little better.