不会建模也能盖地标?AI 帮你创造 3D 城市
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22天前
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不会建模也能盖地标?AI 帮你创造 3D 城市
不会建模也能盖地标?AI 帮你创造 3D 城市

00 前言:不会建模也能「造城」

2025 年开始,中文圈文生图模型集体升级「多视角+超清+透明材质」三大能力。只要提示词写得准,一分钟就能输出一张「C4D+OC 级」3D 城市全景,分辨率直接 8K,比例 3:4,手机壁纸、小红书封面、文旅海报全场景通吃。本文把「写词→出图→后期→变体」整套流程拆成 5 步,并给出 7 组不同风格的「成品级提示词」,拿去就用。


01 工具选型:4 大中文模型秒懂差异

名称亮点每日免费8K 开关中文提示词
即梦色彩准、玻璃质感强约 60 张完美
可灵复杂构图不崩约 50 张完美
豆包风格多样、滤镜多不限2K 免费 8K 限次完美
万相阿里系,8K 稳定20 张完美

结论:日常测试用「豆包」,终稿用「即梦+万相」双跑,PS 叠图最保险。


02 写词逻辑:一条公式覆盖所有场景

「风格底座」+「主体城市」+「自然/交通」+「构图法」+「技术参数」

示例拆解: C4D 风格,玻璃透明质感(风格底座)

中国现代地标:央视、东方明珠、广州塔、港珠澳大桥(主体城市)

青山绿水、高铁、磁悬浮、飞机、轮船、汽车、行人(自然/交通)

清明上河图散点透视法构图(构图法)

全景图、OC 渲染、8K 超高清、3:4 比例(技术参数)


03 核心参数一次说清

  1. 比例:3:4(1080×1440 倍数),手机全屏无黑边
  2. 分辨率:8192×10923 像素,打印 A1 纸也不糊
  3. 透视:散点透视 = 多点消失,古画「移步换景」效果
  4. 光影:OC 渲染 + 体积雾,玻璃建筑秒变「水晶宫」
  5. 色调:主色≤2 种,点缀色 1 种,AI 才不会「花」

04 出图流程:5 步闭环

① 选模型 → ② 粘提示词 → ③ 开 8K+高清修复 → ④ 抽卡 4 张挑最佳 → ⑤ PS 调色/加字/局部重绘 TIPS

  • 先跑 1024 小图抽卡,满意后再点「超清」节省额度
  • 玻璃糊了就加「refractive index 1.5, reflection mapping」
  • 想加「人」但怕崩脸,直接写「tiny people, no face detail」

05 7 组成品级提示词(直接复制)

玻璃·质感城市

C4D风格,玻璃透明质感,3D建模,蓝白色为主色,绿色点缀,主体是中国现代地标建筑:中央电视台、东方明珠塔、广州小蛮腰、港珠澳大桥,搭配青山绿水、古树、绿植、高铁、磁悬浮列车、飞机、轮船、汽车、行人,采用清明上河图散点透视法构图,全景图,高分辨率,OC渲染,8K超高清,3:4比例,体积雾,柔和全局光,未来感,生态城市,移步换景,故事感,古画融合现代

国潮·水墨白日

国潮 3D 城市,宣纸微纹理底纹,白+青绿双色主调,鎏金描边勾线,散点透视清明上河图式长卷,左侧江南水乡古镇:白墙黛瓦、石桥流水、乌篷船与宣纸灯笼;中间核心地标群:故宫角楼飞檐+上海外滩万国建筑群+广州小蛮腰玻璃塔,三者以悬浮祥云衔接;右侧未来高铁站:玻璃幕墙印有《千里江山图》青绿山水,磁悬浮列车穿云而出。空中点缀丹顶鹤、纸鸢、祥云,地面行人着汉服持团扇、拍照打卡。建筑玻璃采用半透明国画画心质感,阳光透过产生毛笔飞白笔触;全局柔和全局光,体积雾呈淡墨色, shadow 边缘带金色高光。8K 超高清,3:4 比例,OC 渲染,32-bit color,depth of field f/2.8,50 mm lens,no text,clean background

赛博朋克·霓虹夜景(雨水版)

Cyberpunk 3D mega-city night, main tone electric purple + neon magenta, glass buildings with hologram ads, wet asphalt reflects neon, flying cars on suspended magnetic rails, countless drones with LED strips forming dragon shape in sky. Left: crowded night market, steam from dumpling stalls, laser signs in Chinese kanji; Center: 600 m LED media tower broadcasting giant koi animation; Right: corporate HQ pyramid tower with laser logo. Rain droplets on camera lens, volumetric fog glows cyan, cinematic rim light, hyper-detailed translucent glass, OC render, 8K ultrahd, 3:4, depth-of-field f/1.8, ultra-sharp, no face close-up, C4D style

废土末日·黄昏残阳版

Post-apocalyptic 3D city at dusty golden hour, palette dark orange + rust brown, cracked highway with wild grass, vines punching through broken glass façades, sandstorm haze. Left: abandoned high-speed rail station, tilted bullet train half-buried; Center: collapsed CCTV headquarters twisted like DNA, exposed steel beams; Right: nomad camp around oil drum fires, makeshift tents on freeway overpass. Scattered maglev debris floating with magnetic sparks, wandering survivors in dust cloaks, vultures circle overhead. High-contrast anamorphic look, sun low angle, volumetric dust, ultra-real rough concrete, 8K, 3:4, C4D, OC render, no text

雪域未来·冰晶冬日版

Futuristic 3D snow-city at blue dusk, ice-blue + pure-white palette, glass skyscrapers with frost patterns, geothermal steam vents creating warm micro-clouds, magnetic levitation trains glide over frozen river. Left: snow-field high-speed rail terminal, LED arrival board frosted; Center: 400 m crystal tower with icicle spikes, Aurora Borealis behind; Right: aurora airport on floating ice shelf, aircraft with glowing wings. Snowflakes falling, ice crystals sparkle, pedestrian wear thermal suits, ice-skating lanes between buildings. Soft volumetric light, refractive ice material, 8K ultrahd, 3:4, OC render, clean background, no text

热带生态·垂直森林夏日版

Tropical eco 3D city noon, palette turquoise + lemon-yellow, vertical forests cascade down glass towers, waterfalls slice through floors, aerial monorail wrapped by vines. Left: coconut grove beach with transparent kayak pier; Center: sea-top elevated train arriving mangrove station, dolphins jump alongside; Right: sky-harbor dock for solar-powered airships, cargo cranes fold like palm leaves. Glass façades coated self-cleaning nano-layer, hummingbirds hover, macaws fly through buildings. Volumetric sunbeams, hyper-real water caustics, 8K, 3:4, OC render, ultra-sharp, no text

元宇宙·低多边形糖果版

Low-poly 3D candy city, pastel macaron gradient (mint-lavender-peach), transparent glass blocks with soft edges, voxel clouds like cotton candy, Q-version citizens with round helmets. Left: rainbow slide spirals down from pink cake tower; Center: voxel plaza with jumping fountain of pixel cola; Right: hex-glow portal gate to next district, CCTV tower reimagined as stacked LEGO bricks. Flat shading, no texture noise, ambient occlusion edges, sky gradient #B5E0FF to #FFE7F9, 8K ultrahd, 3:4, OC render, clean background, no text

古风·大宋不夜城 灯火版

Song-dynasty cyber 3D city night, indigo sky, indigo + warm gold palette, multi-layer lantern long street, glass curtain walls reflect lantern light like molten gold. Left: canal dock with robotic dragon boat unloading LED 宫灯; Center: imperial avenue, vendors sell 3D-printed sugar paintings, visitors wear AR Hanfu; Right: floating flower-boat theater above canal, projection mapping of《清明上河图》on water curtain. Soft golden volumetric light, paper-grain micro-texture on glass, incense smoke trails, 8K ultrahd, 3:4, OC render, depth-of-field f/2.2, 50 mm lens, no text, clean background

06 后期 3 连:30 秒让图更值钱

  1. PS Camera Raw:拉一个「S」曲线,玻璃通透度+20
  2. 导入 Canva:套「文旅海报」模板,加毛笔字标题
  3. 动效:把 PSD 扔进 CapCut,用「视差」做 3 秒环游小视频,小红书完播率翻倍

07 常见翻车 Q&A

Q:建筑像纸片? A:加「depth of field, f/1.8, 50 mm lens」立出体积

Q:颜色溢出? A:主色后写「with subtle green accents, no more than 5 %」

Q:多人脸崩? A:写「tiny people, back view or silhouette, no facial detail」


08 结语:提示词就是新时代的「施工图」

记住公式、活用 7 组模板,你也能在一杯咖啡的时间里「盖」出一座 8K 未来之城。AI 不会替代设计师,却能让灵感瞬间落地-- 现在,打开即梦,粘第一条提示词,属于你的城市正在生成中。



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