Translations:Creating a simple part with PartDesign/18/en

Select the Line tool. Click on the origin point, first making sure that a small red dot appears besides and to the right of the mouse pointer. Click next on the X axis about 10 squares to the right or at about 100 mm. If the segment is not exactly 100 mm at this point, it does not matter, we will later give it a fixed dimension that will constrain this length.