Create a portable enclosure that:

• Withstands repeated golf club strikes.
• Precisely aligns electronic emitters and sensors.
• Positions and protects internal solid state electronics.
• Provides an appealing and user-friendly product.
   

Select materials and manufacturing processes that:

• Provide a durable and attractive package.
• Meet criteria for economical selling price.
   

• Provide files and support for prototype, production suppliers
• Establish geometric tolerances for manufacturing process