Every prompt library and tool review we publish, in one place. The prompt guides are split by model because each one behaves differently: Midjourney invents a new room every time, ChatGPT and Gemini are stronger at editing and planning, and none of them keep the geometry of a room you already have. The tool comparisons are run on the same test image rather than assembled from marketing pages, which is why several of them recommend a competitor for the jobs we do not do well.

40 room decor prompts for ChatGPT, Gemini or any AI: textiles, wall art, plants, lighting and seasonal decor, plus what our keep clause test showed.

How to connect Gemini to Revit in 2026: Autodesk's Revit MCP server in Antigravity, Gemini CLI or Copilot, what works, and Gemini tested on a Revit model.

The 7 best Gemini extensions for architects and interior designers in 2026: MeltFlex, Canva, Adobe, Workspace, Maps, Rhino and SketchUp MCP, plus skills.

How to connect Gemini to Rhino 8 in 2026: McNeel's Rhino MCP in Antigravity, the Gemini CLI catch, plans, and Gemini 4 Argon tested on a real brief.

FF&E means furniture, fixtures and equipment: the movable items in a building. What it includes, what it excludes, FF&E vs OS&E, and typical budgets.

Connect Claude to Cinema 4D with the MCP server built into Cinema 4D 2026.4: Claude Desktop in four steps, the Claude Code command we tested, and the fixes.

How to connect Claude to 3ds Max in 2026: Max Ultra MCP or 3dsmax-mcp in Claude Code or Claude Desktop, the plan you need, and our 179-tool token test.

How to connect ChatGPT to 3ds Max in 2026: Max Ultra MCP or 3dsmax-mcp in the desktop app's Codex mode, setup, timeouts, safety, plans and our tool test.

How to connect Claude to Rhino 8 in 2026: McNeel's Rhino MCP in Claude Desktop or Claude Code, Grasshopper, what it costs, and Opus 5.5 tested on a room.

How to connect ChatGPT to Rhino 8 in 2026: McNeel's Rhino MCP in the desktop app or Codex, the AI panel, Grasshopper, plans, and GPT-6 Astra tested.

40 Nano Banana 2.1 architecture prompts we ran on the model: 38 held on the first try. Facade edits, sketch to render, seasons, 8:1 elevations and timings.

40 Nano Banana 2.1 interior design prompts we ran on the model: 33 held on the first try. The edit formula, thinking settings, real timings and pricing.

How to connect ChatGPT to Revit in 2026: desktop app and Codex setup, Autodesk's MCP server, which plan you need, and GPT-6 Astra tested on a Revit model.

How to connect Claude to Revit in 2026: Autodesk's official Revit MCP server, community servers, setup, safety, Mac limits and our interior design test.

TechDraw AI is the best AI CAD generator from a photo or sketch; Zoo wins text to 3D CAD. 9 tools compared on real file output and price, checked Oct 2026.

Microcement explained: what it is, 2026 US cost per square foot, bathrooms and showers, floors over tile, DIY kits, and the problems that show up after a year.

Counter height is 36 inches and bar height is 42. The right stool for each, how many fit your island, the overhang you need, and a calculator for your counter.

7 Chrome extensions that save interior designers hours: AI furniture placement, color tools, measurement extensions, and workflow automation. Free to start.

40 copy and paste closet design prompts for ChatGPT, Gemini and any AI: walk-in, reach-in, small closets, wardrobes, double hang, shoe walls and kids closets.

40 copy and paste basement design prompts for ChatGPT, Gemini and any AI: family rooms, home theaters, bars, gyms, guest suites, low ceilings and unfinished basements.

40 copy and paste home office design prompts for ChatGPT, Gemini and any AI: desk placement, small offices, guest room combos, video call walls and office interiors.

How to connect Claude to Blender step by step: the official Blender connector, Claude Code, blender-mcp, fixes when it won't connect, and what it built for architects and designers.

Free AI prompts for a house cross section: isometric cutaway, dollhouse view, section perspective and diagrams. All run in Gemini, results and flaws shown.

AI Social Media Now is the best AI for social media posts if you want them written, designed and published. 9 tools compared on price, output and the catch.

Board and batten siding compared: vinyl, fiber cement, LP SmartSide, metal and cedar, with 2026 costs per sq ft, batten spacing, colors and install basics.

An ADU is a second, smaller home on a house lot. The 4 types, how big they can be, what they cost to build in 2026 and which states have ADU laws.

The standard bathtub is 60 by 30 inches. Dimensions for every tub type, how much a full one weighs, and the floor load nobody selling you a tub mentions.

A barndominium interior is a structural problem first: clear span, no load bearing walls, 16 foot sidewalls. The four decisions that fix it, with dimensions.

Best furniture brands 2026, ranked by build and price: Room & Board, Stickley, Article, IKEA, Ashley and 5 more, plus what a good sofa should cost.

Electrical plan symbols for house plans, drawn: 48 outlet, switch, light, alarm and data symbols, the lines between them, NEC outlet spacing, and US vs UK.

Canva AI interior design is two third-party apps, not a Canva tool. On a free account Canva AI asked for Pro, one app wanted a login, the other gave 1 image.

MeltFlex is the best AI image upscaler for renders and room photos. Eight engines ran on the same render at 100% crops; the ones that invented text and scratched fabric are named.

25 copy-paste AI wall art prompts: hang a painting, your own art or a gallery wall on a photo of your wall, then make prints to frame. Tested in 9 runs.

Put the Christmas tree in the corner you see from the sofa and the door, 3 feet from heat, near an outlet. Window, small room, open plan and TV, with NFPA data.

TechDraw AI is the best AI for technical drawings: it exports a real DXF from a photo. Eleven tools compared, prices read off each page on 16 Sep 2026.

We ran one real room through an AI model four times, changing only the photo. The workflow that works, what breaks it, and what AI still gets wrong.

We asked AI to knock out a wall and it widened the doorway. What AI renovation tools genuinely change, which job each one suits, and where they mislead you.

Higgsfield alternatives compared on what a property clip really costs. Verified September 2026 prices, which rivals run the same models, and which shuts down.

Anthropic publishes no interior design skill and the big curated lists have none. The 7 that are real, where each one runs, and how to build your own.

Above a standard mantel a 65 inch TV sits 34 inches over your eye line, and the wall can pass the 104°F TVs are rated for. The numbers, and the four fixes.

Garage conversion costs $6,000 to $150,000+ depending on scope. What it actually does to resale value, and the permit mistake that erases it.

40 ChatGPT Images 2.5 interior design prompts, plus what precision editing, Sketch and the Flare vs Sunburst split actually change for room renders.

ChatGPT Images 2.5 architecture prompts: 40 briefs, Flare vs Sunburst, Sketch for massing, and a to-scale site diagram the model drew itself.

30 copy-paste house elevation prompts for ChatGPT, Gemini and Nano Banana, plus a measured test of what AI gets right and wrong on front elevations.

34 copy-paste AI bathroom design prompts for ChatGPT, Gemini and Nano Banana: layouts, tile, vanities, lighting, plus what they get wrong.

Paint colour prompts for ChatGPT, Gemini and Claude, tested on one room. Pinning a hex made the render 8x more repeatable, and no more accurate.

40 copy-paste AI landscape design prompts for ChatGPT, Gemini and Nano Banana: styles, slopes, shade, privacy and no-lawn yards, all rendered on one backyard.

Twelve landscape design apps compared on price, platform and whether they work from a photo of your yard, with prices read off each app in September 2026.

Alabaster SW 7008 is a soft warm white, LRV 82, with a faint cream undertone. See it in 25 rooms, next to Greek Villa and Pure White, and on your own walls.

Agreeable Gray is a warm greige, LRV 60, with a faint green undertone. See it in 30 rooms, in north and south light, next to Repose Gray, and on your walls.

The zone stack for an 84 inch pantry, the shelf depth where food stops expiring, what to decant and what to leave boxed, and the habit that ends the waste.

Layering a rug over carpet works when the pile heights differ and the rug reaches your furniture. The four rules, plus how to stop it sliding on the carpet.

Standard picture frame sizes in inches and cm, from 4x6 to 24x36: which print fits which frame with a mat, and how big a frame your wall actually needs.

Ten 3D interior design tools compared: what each one outputs, real 2026 prices read from their own pricing pages, and which free tiers are worth it.

ChatGPT, Gemini, Claude, Midjourney and Seedream compared for interior design: what each actually does, real per image costs, and which to use when.

41 copy and paste living room design prompts for ChatGPT, Gemini and any AI: whole rooms, small spaces, living dining, cozy evenings, plus the formula.

Standard shower size is 36x36 in a corner and 36x60 for a walk-in. The IRC minimum is 900 sq in and 30 in, which is two rules, not one. Drawn to scale.

35 copy and paste bedroom design prompts for ChatGPT, Gemini and any AI: main bedrooms, small rooms, couples, kids and guests, plus the formula behind them.

40 tested room makeover prompts for ChatGPT, Gemini and any AI, a free generator that also writes JSON prompts, and the keep clause that saves your real room.

Can ChatGPT design a room? Yes. The exact photo and prompt workflow, a reusable room designer setup, what is free, and the four things ChatGPT gets wrong.

Twelve copy-paste AI exterior design prompts, every one rendered. Plus the lock clause that stops the model redesigning your house instead of restyling it.

Seedream prompts for interior design: 44 copy-paste prompts, image-to-image room restyling, and which version actually renders 4K.

48 copy-paste Kling AI video prompts for interiors, listings and architecture, plus the two settings that decide whether the shot holds up.

Seedance 2.5 prompts for interior and real estate video: 40 copy-paste camera moves, the real specs and what it actually costs.

Limewash vs Venetian plaster on one wall, plus Roman clay and microcement. Real costs, durability and which one survives a bathroom.

Twelve AI landscape design tools, with prices read off their own pricing pages in August 2026, honest free tiers, and the three tests most of them fail.

I ran one tired 1970s house through 9 AI exterior design tools. Which kept the roofline, which invented it, verified prices and every free tier.

I ran one dated 1980s bathroom through 11 AI bathroom design tools. Which kept the plumbing, which invented it, verified prices and every free tier.

35 copy-paste AI kitchen design prompts for ChatGPT, Gemini and Nano Banana: layouts, cabinets, worktops, lighting, plus what they get wrong.

Can Gemini design a room? Yes. The exact photo and prompt workflow, a reusable interior designer skill (the new Gem), what is free, and what Gemini gets wrong.

Is Coohom worth it? An honest 2026 review of the Coohom AI interior design tool: features, real pricing, free-plan limits, pros, cons and a faster alternative.

40 tested Nano Banana architecture prompts: exteriors, facades, sketch-to-render, aerials and night shots, with real unedited AI renders. Copy-paste ready.

40 free, copy-paste DeepSeek prompts for interior design: room audits, layouts, budgets, and palettes, plus what DeepSeek can and cannot do. Updated 2026.

Interior AI has no free tier and starts at $29/mo. Compare 6 cheaper and free Interior AI alternatives for 2026 on price, features, and output quality.

46 free, copy-paste Grok prompts for interior design: real-time X trends, brutally honest room critiques, layouts, budgets, and image tips. Updated for 2026.

Light makes an AI render look real or fake. How to prompt sunlight, direction, color temperature and soft light, plus prompts that fix bad lighting in a photo.

Perplexity does not design rooms, it researches them. 42 copy-paste prompts to find real furniture prices, source products and compare reviews, with sources.

12 AI kitchen design tools compared on price, free tier, layout control and real products, re-checked September 2026: the best free one, the apps, and our pick.

The best RoomGPT alternatives in 2026, tested with the same photo. Honest pros, cons, real pricing, free options, plus newer tools worth watching.

We tested 14 AI interior and home design tools on one room: prices re-checked October 2026, free tiers, render quality, and which let you buy the furniture.

Looking for a ReimagineHome alternative? We compared 7 AI interior design tools for staging, restyles, and real, shoppable furniture you can actually buy.

42 copy-paste Claude prompts for interior design: room audits, color analysis, makeovers, layouts, budgets, plus the Claude skill and MCP render workflow.

The 8 home AI features worth using in 2026, with real prices and verified data: package recognition, sound detection, AI room design, and the gimmicks to skip.

45 copy-paste Midjourney architecture prompts, updated for V8.2: exteriors, facades, sections and site plans, with the parameters that matter for architects.

We tested and ranked 7 AI wall color and texture tools, from MeltFlex and HomeDesigns.AI to Remodel AI, Spacely, and LightX: free tiers, prices, and best uses.

An honest 2026 guide to redesigning a room with Nano Banana Pro (Gemini 3): the workflow, the prompt formula, real renders, and 4 things it gets wrong.

Sixty copy-paste Midjourney interior design prompts rewritten for V8.2, plus the --raw switch that replaced --style raw and the draft mode moodboard workflow.

MeltFlex AI, the app used to design over 754,000 rooms, is now on the App Store. Redesign any room from a photo and shop the real furniture inside it.

52 free, copy-paste Gemini prompts for interior design: room analysis, colors, layouts, budgets, house painting, and realistic renders. Updated October 2026 for Nano Banana 2.1 and Gemini 4 Argon.

40 tested Nano Banana interior design prompts with real renders, plus image-to-image edits of a real room photo and Nano Banana 2.1 vs Pro. Updated October 2026.

13 tested AI house design prompts with real renders: interior rooms, house exterior and facade makeovers, and floor plan to 3D. Copy-paste ready for 2026.

We tested 7 AI garden design tools and compared price, features, and output quality, with real cost breakdowns, durability data, and AI terrace designs.

Copy-paste ChatGPT prompts for colour, layout, budget, bathrooms and renovations, plus how to ask ChatGPT to design a room from your own photo.

We re-checked 11 free AI interior design tools on 29 September 2026: exact free allowances, watermarks, card walls, and which ones show furniture you can buy.

Upload a photo, see your renovation in seconds. Real before and after examples, an ROI table, and the exact steps to preview any kitchen, bath, or room redo.

40 tested AI interior design prompts plus a free prompt generator: room makeovers, decor-only restyles, photoreal renders. Copy-paste ready for any AI tool.

What AI actually changes about interior design in 2026: the jobs data (BLS still projects growth), what pros automate, and real before and after results.

MeltFlex was founded in 2023 by Matúš Koleják and Braňo Hrivňák in Bratislava. Their backgrounds, funding, and coverage in Forbes and Yahoo Finance.