This learning resource focuses on helping students identify, sketch, and dimension real-world objects by breaking them down into basic 3D geometric shapes, or primitives. Throughout the activity, students will observe their classroom environment, select three objects that resemble simple shapes, and accurately render these shapes in their engineering journals, complete with dimensions. The journal emphasizes neatness and clarity in sketches, and also includes reflective tasks that require students to think about the importance of simplifying complex objects in engineering design. Additionally, a challenge task encourages students to explore and illustrate how more complex objects can consist of two interconnected primitives, promoting deeper understanding and application of geometric principles in real-world contexts.