"CAD 101: The Ultimate Beginners Guide" is a book for all those who want to develop a profound understanding of how to use CAD software. Step by step, you will learn everything you need to know in order to design your own three-dimensional objects, so that you can print them with a 3D printer. The author of the book is a german engineer (M.Eng.), enthusiastic designer and 3D printing practitioner. You will learn the very basics up to more advanced functions of designing with CAD software under professional guidance. The clarity and simplicity of the content has been set to priority #1, so you don't have to be afraid of technical terminology. After a brief introduction to the basics of design and the respective software being used, construction is explained step by step using simple and practical examples. The level of difficulty slowly rises with each project, so that an uncomplicated learning process is given. The design software used in this concept is the free version of "DesignSpark Mechanical". Numerous illustrations (approx. 100 figures) supplement the explanations in the book and thus provide a clear and simple introduction to the subject of design. Using 7 practical examples, the entire process from the first line of a 2D sketch to the finished 3D object is described in detail. This book is generally intended for all technically interested people and private users. No matter whether only for information purposes about CAD software and its usage or for real application and realization of your projects and ideas. All procedures are explained in a descriptive and comprehensible way. And all that within a compact format (approx. 80 pages), because who has a lot of time nowadays? Start now!