Skip to main content
4.2/5 on the App Store

Make House Blueprints Online

Draw accurate house blueprints without expensive CAD software. Lay out walls, doors, and windows to scale, add furniture, and view your blueprint in 3D — all in your browser.

No subscriptionDraw to scaleWalls, doors & windowsBuilder-ready export

One-time purchase. No subscription.

Make House Blueprints Online - RoomSketch3D floor planning software

Make Blueprints Without CAD

Accurate house blueprints, minus the price tag and the learning curve

Draw Blueprints to Scale

Create accurate, dimensioned blueprints of any room or whole house

Walls, Doors & Windows

Place structural elements precisely with automatic measurements

See It in 3D

Turn your flat blueprint into a 3D model to visualize the finished space

Export & Share

Export presentation-ready blueprints as high-resolution images to share with builders

U-Shape Kitchen with Island template in the blueprint maker

How to Make a House Blueprint

From empty footprint to builder-ready blueprint in four steps

1. Sketch the footprint

Trace your home's exterior walls to scale, snap a photo of an existing plan to trace, or type in the dimensions you already have.

2. Place doors & windows

Drop doors, windows, stairs, and openings exactly where they belong, each sized to standard or custom widths.

3. Lay out & dimension rooms

Add interior walls to divide rooms. Dimensions label themselves automatically, so every wall stays accurate.

4. Export for your builder

Export a clean, dimensioned blueprint as a PNG or PDF to hand to your contractor, builder, or family.

Blueprint your home before you build it

When you search for a blueprint maker, you're usually about to spend real money — on a build, an addition, or a renovation — and you want to get the layout right first. The problem is that the "proper" tools are overkill: architects are expensive and slow for early planning, and CAD programs like AutoCAD take weeks to learn and often bill monthly.

RoomSketch3D sits exactly where you need it. It's a drawing tool made for homeowners and DIY builders, not draftspeople — so you can lay out accurate, to-scale house blueprints in an afternoon, share them with your builder, and see them in 3D before a single wall goes up.

Who draws blueprints with RoomSketch3D

Different projects, same need: a clear, to-scale plan you can actually act on.

DIY home builders

Planning a build, garage, shed, ADU, or cabin? Draw the blueprint yourself before anyone breaks ground.

Renovators & additions

Mapping a remodel or an extension? Blueprint the existing layout, then test the changes against real dimensions.

Talking to a contractor

Hand your builder a clear, to-scale blueprint instead of a napkin sketch — fewer misunderstandings, fewer change orders.

Dreaming up a home

Just exploring ideas? Try wall placements and room sizes freely until the floor blueprint feels right.

See it in action: blueprint a U-shape kitchen

U-Shape Kitchen with Island template in RoomSketch3D

Here's how a kitchen remodel comes together — starting from the U-Shape Kitchen with Island template.

  1. 1

    Start from the template. Open the U-Shape Kitchen with Island — a 14×16 ft kitchen with cabinet runs along three walls and a center island with bar seating.

  2. 2

    Match your room. Resize the exterior walls to your kitchen's real dimensions, and flag the wall shared with the next room as load-bearing.

  3. 3

    Set the openings. Place the window over the sink wall and the doorway where it actually is, each at its real width.

  4. 4

    Confirm the working space. Use the tape-measure tool to check the gap between the island and the cabinet runs is wide enough to work in and open doors.

  5. 5

    Lock in the layout. Keep the range on the back wall, the refrigerator and wall oven on the storage wall, and the sink under the window — exactly where the cabinets and plumbing will go.

  6. 6

    Hand it over. Switch to 3D to sanity-check it, then export a dimensioned PDF for your contractor.

Everything you need to draw a real blueprint

The tools that make the difference between a rough sketch and a plan a builder can work from.

Inside & outside walls

Place exterior and interior walls with 90° snapping and visual guides. Select any exterior wall to set its exact length, edit thickness per wall, and flag walls as load-bearing.

Tape measure & true dimensions

Drop the tape-measure tool anywhere, lock one end, and drag to check a clearance or setback. Dimension lines read to the actual wall faces — even around inside corners — so the numbers on your export are right.

Multi-story blueprints

Blueprint two-story homes, basements, and lofts. Draw each upper floor over a faded outline of the floor below, and add stairs that snap into place and auto-link between levels.

Real structural detail

Add structural pillars and columns, set custom wall and ceiling heights, split a wall by adding a corner, or remove an exterior wall as your plan evolves.

Beginner-friendly, pro-accurate

Simple drag-and-drop anyone can pick up in an afternoon — with the to-scale precision a contractor will actually trust.

Export as PNG or PDF

Export a clean blueprint centered on your building, with dimensions and furniture included — as a PNG or a PDF, ready to print or email.

Start your blueprint however you like

No blank-page paralysis — begin your blueprint whichever way suits the project.

Snap a photo

Take a photo of your room and let the app turn it into an editable blueprint for you — no drawing required to begin.

Trace an image

Already have a blueprint or a rough sketch? Import the image and trace over it — corners snap into place as you go.

Draw any shape

Draw walls freehand — rectangular, L-shaped, angled, or fully custom and round room shapes are all fair game.

Start from a template

Begin with a ready-made template and adapt it into your own blueprint in minutes.

Scan it on iPhone

On iPhone, use AR Scan to capture a room's real dimensions just by walking around it.

What makes a blueprint actually useful

A blueprint earns its keep when a builder can read it without calling you to ask questions. RoomSketch3D helps you capture every part that matters:

  • Exterior walls drawn to scale, so the footprint matches the real building
  • Accurate interior room dimensions — labelled automatically as you draw
  • Door and window placement with real-world widths and swing direction
  • Stairs, hallways, and openings positioned where they actually go
  • Load-bearing walls flagged, and structural pillars where they're needed
  • Clear room labels and measurements anyone can read at a glance

Blueprint maker vs. CAD vs. hiring an architect

Each has its place. Here's where RoomSketch3D fits — and where it doesn't.

Hiring an architect

The right call for stamped, permit-ready construction documents on a major build — but expensive and slow for the early planning where ideas change daily.

Best for: final permitted plans

CAD software

Powerful and precise, but a steep learning curve and often a monthly subscription. Overkill if you just need to plan and communicate a layout.

Best for: professional drafters

RoomSketch3D

Fast, to-scale, and share-ready with no learning curve — ideal for planning your project and getting everyone on the same page. Not a replacement for stamped drawings where your permit requires them.

Best for: planning, DIY & talking to your builder

See your blueprint in 3D before you build

A flat blueprint hides problems that a 3D view makes obvious — a hallway that's too tight, a window that lands behind a staircase, a room that feels smaller than the numbers suggested. With one click, RoomSketch3D turns your 2D blueprint into a walkable 3D model so you can catch those issues now, while they're free to fix, instead of during construction.

It's a one-time purchase of $9.99 — no subscription and no free trial. You own the full toolset, the 600+ furniture library, 3D, and high-resolution export forever.

Design anywhere, on any device

Blueprint on-site from your phone, refine on your desktop — your plans sync everywhere.

Every device

Use it on iPhone, iPad, Android, or any modern web browser — phone, tablet, or desktop PC. Nothing heavy to install on the web.

Saved to the cloud

Every design saves automatically to secure cloud storage, so your work is never lost — and only you can see it.

Pick up anywhere

Start on your phone on-site and finish on your computer at home — your designs sync to every device you sign in on.

Lightweight & intuitive

A clean, fast interface that feels obvious from the first minute — no manual, no steep learning curve.

We read every message — and we stand behind it

Building or renovating is stressful enough. RoomSketch3D is built by a small team that actually reads everything. Report a bug, request a feature, or send feedback — good or bad — right from inside the app. We answer every message and do our best to solve your problem. And if we can't make you happy, you get a full refund.

Report a bug

Hit something that's broken? Tell us from inside the app and we'll chase it down — many fixes ship within a week or two.

Request a feature

Need something the app doesn't do yet? Ask. A huge share of what we've built started as a single customer request.

Full refund, no hassle

If we can't make you happy, you get your money back. 30-day money-back guarantee — just ask.

Blueprint Maker FAQ

Common questions about making blueprints

No — RoomSketch3D is a paid, one-time purchase of $9.99 with no subscription and no free trial. Unlike free blueprint tools that watermark or limit exports, you get the full furniture library, 3D, and high-resolution export, owned forever.

Still have questions?

Contact our support team

Make Your House Blueprint

Draw an accurate, builder-ready blueprint — one-time purchase, no subscription

Start Designing Now

One-time purchase. No subscription ever.