Creating Projection Split Lines To create a projection split line: Click Split Line (Curves toolbar) or Insert > Curve > Split Line. In the PropertyManager, under Type of Split, select Projection. Under Selections, click:A sketch for Sketch to Project . You can select multiple contours from the same sketch to split. The faces to project the sketch onto for Faces to Split . Single direction to project the split line in only one direction. Click . Before After Parent topicSplit Lines Split Line Creation Creating Silhouette Split Lines Creating Intersection Split Lines