Our 3D CAD supplier models have been moved to 3Dfindit.com, the new visual search engine for 3D CAD, CAE & BIM models.
You can log in there with your existing account of this site.
The content remains free of charge.
If you want to edit an already existing sketch, right-click
in the menu area History on the desired sketch symbol (in the example, "Sketch 1").
into the context menu and select the command Edit... .
-> The 2-D Sketcher opens.