Image models do not build a 3D model and render it. They produce a picture that looks rendered, and whether it looks rendered depends on the words you use for material, light and camera. A 3D prompt that works names the render style (octane, blender, clay, glossy plastic, matte ceramic), the light rig (studio three-point, soft box, global illumination), the camera (isometric, 35mm, macro) and the background. Get those four right and the output reads as a render in any of the current tools: Midjourney, Nano Banana, DALL-E, Flux and Ideogram all respond to the same vocabulary.
The 24 prompts below are grouped by what people make. Each is written to paste as it is; the brackets hold the subject. Where a prompt leans on one tool's syntax, it is marked.
3D product renders
3D product render of [product], matte and glossy materials, studio three-point lighting, soft shadows, neutral grey backdrop, 85mm lens, octane render, 8k, no text
[Product] floating in the air with its parts exploded and spaced apart, each part labelled by position only, clean white background, soft studio light, blender render, isometric view
Close-up macro render of [product] showing the texture of [material], shallow depth of field, rim light from the back, dark background, photorealistic 3D
[Product] on a pedestal in a minimalist room, morning light through a window on the left, global illumination, pastel walls, architectural render, 4:5
Isometric scenes
Isometric 3D illustration of a [room or workspace], cutaway view, soft pastel palette, clay render style, tiny details, ambient occlusion, white background, centered
Isometric low-poly 3D of a [small town block], flat colours, soft shadows, game asset style, no people, 1:1
Isometric 3D diorama of a [process, such as a coffee shop workflow], each stage as a small scene on a floating tile, connected by paths, clay materials, soft light
Isometric cutaway of a [building or vehicle] showing the inside, labelled by colour, clean 3D render, blender style, light grey background
3D icons and UI assets
3D icon of a [object], glossy plastic material, rounded edges, soft gradient from [colour] to [colour], front three-quarter view, studio light, isolated on white, app icon style
Set of three matching 3D icons: [object], [object], [object], same material and light, matte clay with subtle subsurface scattering, pastel colours, centered, white background
3D glass icon of a [shape], frosted glass with internal glow, floating, soft blue light, dark background, minimal
Inflated 3D letter [letter] in a bubbly balloon style, glossy, [colour], soft shadow beneath, white background, centered
3D characters
3D clay character of a [description], big round head, simple shapes, matte clay texture, soft pastel colours, standing pose, plain background, Pixar-style lighting
Stylised 3D character sheet of [character]: front, side and back views on one canvas, same scale, T-pose, flat grey background, clean render
Cute 3D mascot of a [animal] for a [brand type], smooth plastic material, friendly expression, holding a [object], studio light, white background
3D render of [character] as a collectible vinyl figure in a display box, glossy plastic, soft box light, product photography style
Architecture and interiors
Architectural 3D render of a [building type] exterior, late afternoon sun, long shadows, [material] facade, people for scale, photorealistic, 24mm lens, 16:9
Interior 3D render of a [room], [style], eye-level view from the doorway, [material] floor, natural light from the right, global illumination, photorealistic
Aerial 3D render of a [site or development], massing model style, white materials, soft shadows, context buildings in grey, clean presentation
Section view 3D render of a [house], cut vertically, showing rooms and furniture, soft daylight, architectural illustration style
Abstract 3D and backgrounds
Abstract 3D composition of floating [shapes], glossy and matte materials mixed, soft gradient background from [colour] to [colour], studio light, octane render, wallpaper, 16:9
3D render of flowing [material, such as liquid metal or silk] frozen mid-motion, dramatic rim light, dark background, macro, high detail
Minimal 3D scene of a single [object] on a flat plane, long shadow, two-tone colour palette, graphic, poster style
3D typographic render of the word [word], [material] letters, soft studio light, slight perspective, clean background, no extra text
Words that make a prompt read as 3D
If a result looks flat or painted, it is missing one of four kinds of word. Material: matte, glossy, clay, plastic, glass, metal, ceramic, rubber, subsurface scattering. Light: studio three-point, soft box, rim light, global illumination, ambient occlusion. Camera: isometric, 35mm, macro, front three-quarter, eye level. Renderer: octane render, blender, cinema 4d, redshift. Add one word from the missing group and regenerate.
For consistency across a set, the icons for one app or the characters for one story, keep the material and light phrases identical in every prompt and change only the subject. For Midjourney, add the aspect ratio with the parameter it uses; for the others, say the ratio in words at the end. Image models misspell text, so leave words out of renders and add them in a design tool afterwards.
The library's icon and UI design prompts and product photography prompts continue from here with tested, model-specific versions, and the interior and exterior render prompts cover architecture in depth. For a photo of a person turned into a figure, start from the action figure prompt.
