Option to automatically mark and annotate important points when drawing geometric diagrams.

Highly efficient point-marking tool to mark and annotate important points on your geometric diagram.

Seven specialized quadrilateral drawing tools that allow you to quickly draw rectangles, kites, parallelograms, rhombuses and trapeziums.

Triangles understand in-centres, circum-centres, centroids and orthocentres.

Six specialized triangle drawing tools that allow you to quickly draw any triangle.

Quickly mark and annotate angles with a selection of ten different mark types.

Can be used to simulate geometric constructions.

Multiple tools to draw circles including centre/point on circumference, diameter, circle defined by three points and circle inscribed in square.

Over twenty arrow types for lines including parallel line marks and circles.

Multiple tools to draw lines including end points, mid points, rise/run and length/angle.

Makes drawing geometric diagrams intuitive.

Inbuilt geometry system that understands tangents, perpendiculars, parallel lines, common tangents, angle bisectors and equal lengths lines.

Command line tools (dwg2pdf, dwg2svg, dwg2bmp, etc.)Ĭlick here for a complete list of features.

Very complete and extremely powerful ECMAScript (JavaScript) scripting interface.

Various powerful entity selection tools.

Construction and modification of points, lines, arcs, circles, ellipses, splines, polylines, texts, dimensions, hatches, fills, raster images.

You can download QCAD today for free! Main Features You don't need any CAD experience to get started with QCAD immediately. QCAD is an easy to use but powerful 2D CAD system for everyone. But what people notice most often about QCAD is its intuitive user interface. QCAD was designed with modularity, extensibility and portability in mind. The source code of QCAD is released under the GPL version 3 (GPLv3), a popular Open Source license. With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams.

QCAD is a free, open source application for computer aided drafting (CAD) in two dimensions (2D).

Easy fast drawing download free