Helipad marking slab (Cold War Missile Silo and Command Bunker)
A 15 m concrete helipad: a scored slab with expansion joints, a raised touchdown circle and abstract aiming cross, four corner markers, twelve perimeter lights on stems, a windsock mast and a grounding point. Abstract markings only, no insignia or lettering.
- 格式
- GLB
- 文件大小
- 75 KB
- 三角面
- 1,516
- 许可
- CC0 1.0