Translations:Creating a simple part with PartDesign/86/ru

Кликните мышкой на иконке Переключить панель инструментов или выбранную геометрию в/из режим конструктора, we switch to construction mode: the lines will be blue and will be discarded outside of the sketch editing mode. They will allow to fix the center of the circle. Create the diagonals in the same way that you drew the first lines. Make sure all points are coincident.