Modular SRB with swappable nosecone, nozzles, and segment count/length, with scalable diameter.

Main Variants:

• 2.5m height smooth
• 2.5m height Segmented
• 3.2m height Segmented
• 5m height Segmented

Nose Variants:

• Short Nosecone
• Medium Nosecone
• Orbiter-Jarvis Nosecone
• Arianne Slanted Nosecone
• Atlas Slanted Wide Nosecone
• Atlas Slanted Pointed Nosecone

Nozzle Variants:

• Shuttle-SRB (existing geometry)
• Atlas
• Arianne
• Titan? (angled)

Body Models:

• 2.5m smooth
  • 2.5m smooth Lower Segment for nozzle attach (with lower ring + AO)
  • 2.5m smooth Mid repeatable segment
  • 2.5m smooth Upper Segment for forward skirt (with upper ring + AO)
  • ~2.5m forward skirt segment (common)
• 2.5m segmented
  • 2.5m lower for nozzle attach (common)
  • 2.5m segment with upper ring + upper/lower AO
  • ~2.5m forward skirt segment (common)
• 3.2m segmented
  • 2.5m lower for nozzle attach (common)
  • 0.7m lower adapter (upper ring+AO)
  • 3.2 segment with upper ring and upper/lower AO
  • ~2.5m forward skirt segment (common)
• 5m segmented
  • 2.5m lower for nozzle attach (common)
  • 2.5m adapter (can re-use 2.5m main segment)
  • 5m segment with upper ring and upper/lower AO
  • ~2.5m forward skirt segment (common)

Unique Body Models:

1.) 2.5m smooth Lower Skirt for nozzle attach (with lower ring + AO)
2.) 2.5m smooth Mid repeatable segment
3.) 2.5m smooth Upper Segment for forward skirt joint (with upper ring + AO)
4.) 2.5m segment with upper ring + upper/lower AO (re-used for 2.5m and 5m)
5.) 2.5m forward skirt segment (no rings, lower AO for ring from whatever was below) (common) (re-used for all)
6.) 2.5m Lower Skirt for nozzle attach (common, re-used for all segmented)
7.) 0.7m lower adapter (upper ring+AO)
8.) 3.2 segment with upper ring and upper/lower AO
9.) 5m segment with upper ring and upper/lower AO

In-game and functional. Needs textures finished.