extrude

🎨 3D 预览 — 拉伸建筑体块

@StartRule
Lot --> primitiveCube(6, 4, 0.2)
        extrude(8)
        comp(f) { top: Roof | side: Wall }

Roof --> color(0.8, 0.3, 0.2)
Wall  --> color(0.6, 0.7, 0.75)