Compact 27x27x11 Minecraft dimensio...

Compact 27x27x11 Minecraft dimension train lobby. Single-floor stepped octagonal train interior with 4 entrances at front, back, left and right, each connected to outward rails. Small central waiting area, Red Team area on one side and Blue Team area on the opposite side. Use dark oak, deepslate, stone bricks, copper, iron bars, glass, lanterns, chains, rails, stairs and slabs. Red and blue lighting and banners. Large windows showing outer space, purple portal lighting around entrances. Steampunk fantasy train interior, functional and symmetrical. Vanilla blocks only. No NPCs, text, command blocks, second floor, floating parts, smooth curves or oversized spaces. Keep within 27x27x11.