National CAD Day is celebrated on August 2 to honor the significant contributions of computer-aided design (CAD) to modern technology and innovation. This day recognizes how CAD has transformed various industries, including engineering and fashion, by enabling professionals to turn complex ideas into manageable digital formats. Celebrations often include hosting CAD-themed events, such as a CAD carnival where participants can showcase their innovative designs, and organizing software swap meets to share favorite CAD tools. Virtual tours of CAD museums and design challenges, like creating dream gadgets, are also popular activities. The day emphasizes the evolution of design tools from basic drafting techniques to advanced software, highlighting the importance of embracing technological progress in design and manufacturing.