3'' shell fireworks

This model is a (3'') 3-inch fireworks shell housing designed as a structural container / outer shell for display, educational, or hobby-related purposes.

The design focuses on accurate proportions, symmetry, and printability, making it suitable for visualization, prototyping, or non-functional demonstration models.
It can also be useful for educational projects, mock-ups, or 3D printing practice where a realistic spherical form factor is desired.

⚠️ Important notice:
This model is provided as a blank shell only.
It does not include any internal components, instructions, or guidance for pyrotechnic use.
Any use involving fireworks, energetic materials, or hazardous substances must comply with local laws and safety regulations and is entirely the responsibility of the user.