Downloads Gizmos Draw cm_perspective_lines Contributed by cmccrowe No ratings yet No ratings yet 293 downloads This is a tool to help line up perspective. Roto splines are expression linked the the edge of the frame and a 2D position knob. Updated: 3 August 2020 Author: cmccrowe Compatible Nuke versions: 8.0 or later Compatibility: Description Download Sign in or register to download or rate.