Select either the horizontal or vertical line and apply either a corresponding horizontal distance constraint or vertical distance constraint and give it a value of 26 mm.Select the bottom horizontal line and the right vertical line and apply and equal constraint.Select the start and end points of your polyline and click on the coincident constraint to close the polyline.Select the vertical line on the right and then click on the vertical constraint.Select the two horizontal lines with your mouse by clicking on them, and once selected, click on the horizontal constraint.(The redundant constraint is shown in the Task view, click on the blue reference and press delete.) NOTE: Since this tutorial was written there have been improvements to the sketcher solver, if it detects a redundant constraint it will turn the sketch orange in colour, and before further constraints are added, the redundant constraint should be removed. To avoid leaving edit mode when pressing Esc too often, change the Esc can leave sketch edit mode preference ( introduced in version 0.19), see Sketcher Preferences. Don't press ESC a third time or you will exit edit mode if this happens, click on the Model tab, then double-click the Sketch element in the tree, or right-click and select Edit sketch in the context menu. But first make sure that you have exited the Polyline tool by right-clicking or pressing ESC twice the mouse cursor should turn back from a cross-hair to the standard arrow cursor. If you had Auto constraints on, some of these constraints will have been applied automatically, if not, do the following. Once you have the basic shape, we will start applying the constraints. It does not need to be perfect as the final shape is done with constraints. Next you will want to use the Polyline tool and make a shape roughly like that in the next image. Once you click OK, FreeCAD automatically switches to the Sketcher workbench and opens the sketch in edit mode: Place your mouse pointer over the border when the pointer changes to a two-way arrow, press and hold the left mouse button and drag. You can make it wider by dragging its right border. Note: it's possible that the OK button may not be visible if the side panel is not wide enough. In the Tasks tab from the Combo view, select YZ_Plane in the list and press OK:.We will attach it to a plane from the Body´s Origin. We need to define where the sketch will be attached.This will create the sketch within the just created body. When creating a sketch, if no existing Body is found, a new one will be automatically created and activated. ![]()
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