Q1. Why should you test your design before printing?
Answer: To identify and fix issues like thin walls, overhangs, or weak parts that could cause print failure.

Q2. What changes can make a model more printable?
Answer: Thicker walls, added supports, smoother surfaces, and simplified geometry.

Q3. What is the purpose of peer review in design?
Answer: To get fresh perspectives, spot unseen errors, and receive useful improvement suggestions.

Q4. What tool in Blender checks for mesh errors?
Answer: The 3D Print Toolbox add-on.

Q5. What does “iteration” mean in design?
Answer: The process of repeatedly improving a model through feedback and testing.