Tinkercad is a free, web-based computer-aided design (CAD) platform that is simple to learn and use. It features a block-based design system where users can modify shapes by either combining them (additive design) or cutting away parts (subtractive design). This makes it a flexible and beginner-friendly tool for those new to 3D design. Pros of TinkerCad Cons of TinkerCad How to get started The Tinkercad website offers tutorials and step-by-step lessons, starting from the basics.