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 create a new sketch for a part, do the following:
With the secondary mouse key, in the docking window History, click on one of the three planes (Plane XY etc.).
In the displayed context menu, select the command New sketch....
-> The docking window of Sketcher is opened.