Change construction options that affect production and pricing

Adjust how carcass panels extend, connect and rail so the construction tab changes carry through to production outputs and pricing.

1. Options include extending carcass panels using extension parameters.

   ✓ Am 10. Oktober 2026 im Produkt geprüft

2. Options include customizing how panels connect (e.g. top panel sandwiched between side panels or sitting on top).

   ✓ Am 10. Oktober 2026 im Produkt geprüft

3. Default construction uses half top rails instead of a full top panel, changeable via railing options.

   ✓ Am 10. Oktober 2026 im Produkt geprüft