JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Parallel 2D Constraint Used to apply parallel constraint between two linear segments or ellipses. You can access this tool from the following: Ribbon: Modeling > Constraints > 2D Ribbon: Drawing > Constraints > 2D Toolbox: 2D Constraint Tools Key-in: CONSTRAINT2D CREATE PARALLEL2D To Apply a Parallel 2D Constraint Parent topic: Applying Constraints