Below is a screenshot showing the various parts of the LibreCAD interface.įigure 1. Orientationįor you to easily learn LibreCAD, it is important to first understand what the various parts of its interface are used for. One of its unique features/characteristics is that it has a very highly customizable interface that allows users to customize toolbars and menus. It is also a popular DWG and DXF file format viewer and users can also use it to save drawing in DXF, and SVG, among other formats. Isometric projections are at times referred to as 2.5D drawings. The orthogonal projection is for creating 2D drawings while isometric projection allows users to represent their 3D models in 2D. LibreCAD is used for producing orthogonal and isometric projections. Operating Systems: Windows, macOS, and Linux.Current stable release: LibreCAD v2.2.0-rc1.The CAD application has gone on to port to Qt5 which is even more advanced than the Qt4. QCad was initially built on Qt3 library which was becoming outdated and it had to be ported to a more advanced library, the Qt4, and its name was changed to CADuntu.Īfter a few months, the community decided that the name CADuntu was inappropriate and they changed it to LibreCAD. LibreCAD was started as a project for incorporating CAM capabilities into the QCad so that it would be with the Mechmate CNC router. Importing Freehand Sketches into LibreCAD.Shows the layer’s assigned color (the default is Black). Construction lines are intended as temporary guide lines and drawn to ”infinity”. (*) A layer designated as a ”Construction Layer” is special layer used to create reference geometry to help align other drawing entities. Icons to the left of each layer act on the layers individually. Note that layer 0 is a special layer and should not be used for general drawing purposes. In the example above the layers are named “Layer01”, “Layer02”, and “Layer03”. The lower portion of the dock shows a list of layers in the current drawing and are listed in alpha-numeric order. Modify the selected layer’s attributes and / or rename the layer. Remove the highlighted layer from the list. Lock, or ”Freeze”, all layers to prevent unintentional changes. Unlock, or ”Defreeze”, all layers to allow changes to the entities in the layer. Makes all the layers in the current drawing visible. The icons on the top of the layer list allow operations to the entire list of layers. “*01” would show all names ending by “01”). Wildcards (“*” or “?”) can be used to filter the list to locate similar layer names (e.g. Enter a text string, the name or partial name of a layer, in the input box to filter the layer or layers. It provides the ability to filter a long list of layer names to help locate a layer. The list filter is the input box at the top of the dock. A widget has a minimum width of five icons and can be no shorter than the default height. In addition, dock widgets can be resized by clicking and dragging the edge of the widget’s box. Widgets can also be place above or below an existing widget dividing the area into multiple sections. Widgets can be placed either on top of an existing widget in any of the dock areas creating a tab for each of the widgets. Shows / hide the dock widgets floating within the drawing window or outside of the drawing window. Shows / hide the dock widgets located on the bottom of the drawing window. Shows / hide the dock widgets located on the top of the drawing window. Shows / hide the dock widgets located on the right side of the drawing window. Shows / hide the dock widgets located on the left side of the drawing window. The Dock Areas toolbar allows widgets to be hidden or made visible depending on their location: Tool A widget can be left floating inside or outside of the drawing window, or placed in one of the four dock areas (left, right, top or bottom). Dock widgets can be moved to different areas by “grabbing” (left clicking and dragging) the title bar of the widget and releasing it in a new location.
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