砂山ビーチ

Original geometry, materials and place-specific assembly code created for this requested miniature collection. Shared primitive helper routines originated within this same original collection, adapted for this model. No third-party geometry, photo textures, fonts or external binary assets are embedded. The built-in ImageGen concept is design reference only.
Research photos and Google Maps content remain under their respective owners terms/copyright; they are not licensed as model assets and references/ must not be included in delivery archives. Sources: Okinawa Convention & Visitors Bureau, Miyakojima City, and for Sunayama Gifu Womens University Digital Archive. This work does not imply their endorsement.
No new rotation videos were created pursuant to the latest request.

# Rights and approximation limits

2024年11月の大学現地写真に写る防護柵を近似。2018年からのアーチ周辺立入制限が資料に記載され、再開は確認できません。2026年10月の現地の利用可否を保証しません。崩落前の自由通行を描く模型ではありません。

背後の砂丘から下る砂の道、小さな湾、左側の厚い琉球石灰岩の天然アーチ、右側の低い岩、現地写真で確認した低い防護ネット。アーチの穴は画像ではなく実際に貫通する立体です。

All dimensions, unseen faces and plant/reef patterns are approximate. Reference photographs are research-only and excluded from distributable assets. See evidence.txt for source URLs. Original geometry and shaders only; no image-plane impostors.