A technical drawing is a very basic entity of design and development. You can find hundreds of mechanical technical drawings on this website and download them for free to practice and become a professional.
The era of manual drawings was over 2 decades ago when computers came into the industry. Even though we use computers for creating 2D drawings and 3D CAD models, it is important for engineers to know the basics. The first step of any design is imagination. These 2D drawings will help you gain knowledge of product visualization and improve your skills in designing a product.