Develop a compact, reliable, and user-friendly 3D printing pen designed around FDM printing principles, with a focus on usability, safety, and modular design.
Stage 1 activities:
🔹 Define the overall 3D pen concept
🔹 Research suitable filament types — PLA / TPU
🔹 Select heating and extrusion mechanism
🔹 Define initial electrical and mechanical requirements
🔹 Develop the preliminary CAD design
🔹 Plan the control system and temperature management
🔹 Evaluate safety and thermal considerations
🔹 Prepare the first prototype design
