Uwarp

Blueprint — a browser AI design tool that turns a plain-language prompt into a wiring diagram, parts list, and build guide

Describe a hardware project in plain English and get a parts list, wiring diagram, build guide, and 3D render — free tier, no install.

  • AI Hardware Design
  • Electronics Prototyping
  • Bill of Materials
  • 3D CAD
Publisher
3E8 Robotics
Type
AI Hardware Design
Pricing
Freemium
Reviewed
24 September 2026
Official site

Quick verdict

Use when

  • You have an idea for a gadget and no schematic yet
  • You want a parts list you could actually order from
  • You want a wiring diagram and build steps, not a board layout
  • You want a 3D render and STL or STEP models of the parts
  • You would rather not install an EDA suite to get a first pass
  • You want the tool to ask questions before it commits to a design

Skip when

  • You need a manufacturable PCB or Gerber files
  • You need design-rule checks, simulation, or high-speed layout
  • A miswired pin or a wrong part would damage hardware or people
  • You need the design reviewed, certified, or safety-signed-off
  • You need an API, a desktop client, or offline access
  • You need the electrical design to be provably correct

Try instead

If what you actually need is the object rather than the wiring plan — a model, a render, or a printable part — those jobs have their own pages here.

Blueprint vs KiCad vs Fritzing vs EasyEDA

Blueprint is the only tool in this table that proposes the design: it reads a sentence, then returns a circuit, a parts list with sourcing links, a wiring diagram and a build guide, and it stops just before the thing the other three exist to do — the board layout. KiCad is the free standard for that layout work and expects you to draw the schematic yourself, with the steepest learning curve here. Fritzing holds the same job at a lower height, starting from a breadboard view that looks like the bench in front of you, which is why it survives in classrooms and one-off builds. EasyEDA is the closest match to the no-install habit — the whole editor runs in a browser against a live parts catalogue — but you are the one placing and routing; it supplies the library, not the idea. Compare them on what each one demands before it produces anything, and on where the output stops: a plan you can buy parts against, or a board you can send to a fabricator.

Tap a dimension to focus

Pricing

Roughly even
  • BlueprintThis page
    • A free Basic tier carrying a weekly allowance of design credits plus a small separate monthly CAD allowance, with no card required
    • Paid Pro and Ultra subscription tiers: Pro makes design credits unlimited and raises the CAD allowance, Ultra removes the CAD cap
    • An Enterprise tier sold as annual volume seats with centralized billing
    • One-time CAD credit packs that sit in the wallet until spent, stacked on top of whichever plan you hold
  • KiCad
    • Free and open source, with no paid tier at all
    • Development is funded by donations and corporate sponsors rather than subscriptions
    • Every capability ships in the same download — there is nothing held back for a higher plan
  • Fritzing
    • A one-off paid download, offered at two price points that fund ongoing development
    • The source code is public, so building it yourself is a legitimate alternative to paying
    • A separate paid fabrication service exists if you want the board made for you
  • EasyEDA
    • Free to use in the browser for schematic capture, PCB layout and Gerber export
    • Paid tiers cover team workspaces, enterprise hosting and layout services
    • Symbol and footprint libraries, part requests and 3D models cost nothing
  1. Blueprint — official site
  2. Blueprint — plans and credits
  3. Blueprint — FAQ
  4. Blueprint — about the product
  5. Blueprint — terms of service
  6. KiCad — official site
  7. Fritzing — official site
  8. EasyEDA — official site

Preview of Blueprint - not the live app. Confirm details on the official site.

Does this overview help you decide?

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Learn more

Details below the decision summary—features, workflow, and scope notes.

What is Blueprint?

Describe a hardware project in plain English and get a parts list, wiring diagram, build guide, and 3D render — free tier, no install.

What it costs

A free tier with a weekly design-credit allowance, paid Pro and Ultra subscriptions, an annual seat tier for teams, and one-time CAD credit packs.
Free tier
Yes
Pricing summary
This product meters the design work rather than the seat. A free Basic tier grants a weekly allowance of design credits plus a small, separate monthly CAD allowance, and it asks for no card. On that tier each new design, each design edit, and each follow-up question to the model spends a design credit, while the clarifying questions and the generation steps that finish a design come out of the same credit. The allowance resets on a fixed weekly boundary rather than rolling over, so a quiet week does not accumulate anything. Paid subscription tiers change the shape in two ways. They make design credits unlimited, and they raise the CAD allowance — one tier to a monthly figure, the next to unlimited — while also unlocking stronger models and image or sketch input. Above those sits an Enterprise tier sold as annual volume seats with centralized billing and custom limits, which is the one to look at if several people need accounts. CAD generation is metered separately in the CAD Wallet, and unused CAD credits stay in the wallet rather than expiring, which is why the wallet also appears as one-time credit packs in three sizes, each a little better value than the last. Cancelling happens in the payment portal reached from account settings, and refunds are handled by email review rather than a self-service button. One thing to expect on the pricing page itself: the product runs periodic promotions, so the figure shown is not always the figure charged. Tier names, credit allowances and pack sizes all move, so treat this as the structure rather than the current numbers and confirm the live version on the official plans page.

Reviewed on 24 September 2026 · Blueprint — plans and credits

What Blueprint includes

The capabilities the vendor documents, read against what each one is for in a real project.

  • A full design package from one prompt

    A plain-language description comes back as a bill of materials, sourcing links, a wiring diagram, step-by-step build instructions and a 3D mechanical render. The value is not any single artefact but that they agree with each other — the parts list, the wiring and the build order all describe the same device, which is the part that is genuinely tedious to keep consistent by hand.

  • Clarifying questions before generation

    The tool does not silently guess. It asks follow-up questions to fill in what your first sentence left out, and the vendor explicitly tells you to answer them inside the same project rather than starting over. That is the right shape for the problem, because hardware failures usually trace back to an unstated constraint — a voltage, a size, a budget — rather than to a bad drawing.

  • A bill of materials with sourcing links

    Each part arrives with a link intended to take you to something purchasable, which turns the design into a costed decision instead of an abstract one. The links are the weakest part of the feature: the vendor acknowledges that some land on a general search rather than the exact part and that they default to one regional store, so treat the line items as the specification and do the final sourcing yourself.

  • A wiring diagram and build steps

    The electrical connections are drawn and the assembly is sequenced, so the plan reads as instructions rather than as a specification. For anyone who has bought a pile of components and then worked out the order of operations the hard way, the build guide is the part that saves the evening.

  • A 3D mechanical render, and CAD per part

    Beyond the render, you can open the mechanical view and generate CAD for an individual part, preview it in the project, then download it as STL, STEP or GLB, and refine it afterwards with a text instruction. STEP is the format that matters if the part has to sit next to something you modelled elsewhere, and STL is the one your printer wants.

  • Image and sketch input

    A photograph of a breadboard or a hand sketch of an enclosure can be attached to the prompt and used alongside the text, which is often faster than describing a layout in words. On the free tier you are describing in prose; reference input arrives with the paid tiers.

  • Projects, version history and publishing

    Work stays in projects you can rename, search, filter and star. Version history restores an earlier design when an edit makes things worse, which happens often enough to matter. Publishing is separate and optional, and it creates a public link under a generated username rather than your real name — projects are private until you choose otherwise.

  • A community gallery of real projects

    The homepage carries published builds from other users — a satellite node, a thermal camera, a walking robot — with part counts attached. Reading someone else is a fast way to calibrate what the tool is good at, and it doubles as a source of starting-point prompts.

How to get a buildable design instead of a shopping list

The habits that decide whether the output is something you can build, and the four places prompt-built hardware goes wrong.

  1. Say what the device does, not what it is made of

    Lead with the job: what it senses, what it controls, where it sits, and what it has to run off. Naming specific boards and sensors up front narrows the design to your guesses rather than the model search, and it is the fastest way to end up with a parts list that cannot work together.

  2. Answer the clarifying questions in the same project

    The vendor is explicit that following up inside the existing project is what keeps context, and that a fresh prompt begins a new design. Answering constraints as they are asked costs nothing on the free tier and is the difference between a design that fits your budget and one that quietly ignores it.

  3. Give constraints and budget before generation, not after

    Voltage, physical size, weight, and roughly what you are willing to spend are what turn a plausible circuit into a purchasable one. Supplying them early changes the parts chosen; supplying them after means correcting choices the design has already been built around.

  4. Generate the design once, and mean it

    On the free tier a design credit is spent by starting a design, editing one, or asking a follow-up question — the generation steps themselves are included. That shape rewards thinking before you press the button, so gather your constraints, then commit.

  5. Check the electricity as if the diagram were a sketch

    The vendor states plainly that the AI can be wrong — a component floating, a part misplaced, a price off. Read the wiring diagram as a proposal and verify polarity, voltage and current ratings yourself. If the project touches mains power, lithium cells or anything that moves under load, that check is not optional.

  6. Sort the sourcing links before you buy

    Some links resolve to a general search rather than the exact component, and they default to one regional store. Take the part name and specification from the bill of materials and find it at the supplier you actually use. It is a few minutes of work that prevents a build stalling on a wrong footprint.

  7. Export the package, then move to a layout tool

    Downloading the project ZIP gives you the parts list, the electrical and mechanical connections, the build guide and the project image in one place, which is the sensible handoff document. Keep it next to the project wherever you do the real engineering, because nothing in this workflow produces a board.

Who Blueprint is for

The builders and situations this product actually maps onto.

  • Makers starting a project from an idea

    The core use case: someone who knows what they want the device to do and does not want to begin by learning a schematic editor. The parts list turns an idea into something with a price and a shape while the idea is still cheap to change.

  • Founders scoping a first hardware prototype

    Before committing engineering time, a founder wants to know whether the concept resolves into real, buyable parts at a plausible cost. A design package answers that question in an afternoon, which is a very different proposition from commissioning a schematic.

  • People teaching themselves electronics

    Because the clarifying questions surface design constraints out loud, the tool doubles as an explanation of what matters in a build. Reading a generated wiring diagram and then checking it against the parts is a reasonable way to learn what a circuit is actually made of.

  • Anyone documenting a build they already finished

    Recreating a working project in the tool produces a tidy bill of materials, a wiring diagram and step-by-step instructions from material you already have. That is often the part of a build write-up that never gets done.

  • Designers and PMs sizing up a physical product

    If you work in product and the concept involves hardware, this is a fast way to find out what the thing would be made of, without needing a specialist to translate the idea first. The output is a conversation starter with engineers, not a substitute for them.

When Blueprint is the right pick

The line that matters in this category runs between deciding what to build and proving that the thing you decided on is correct. This tool lives entirely on the first side. It turns a sentence into a bill of materials, a wiring diagram, a build sequence and a 3D render, in a browser tab, with no library to install and no schematic conventions to learn first. That is genuinely useful at the moment when a project is still an idea and the expensive mistake would be committing to the wrong parts. The case for choosing it is narrow and clear. You are at the front of a hardware project, you want to know whether the idea survives contact with a parts list, and you would rather answer a few clarifying questions than draw a schematic. For a maker, a founder scoping a first prototype, or anyone teaching themselves electronics, the distance between an idea and a plan you could order from is short in a way that an EDA suite simply is not. The reasons to hesitate are just as specific, and they are all about where the output stops. There is no PCB layout and no Gerber export, so nothing here goes to a fabricator as-is; the design has to be redrawn in a tool built for that job. The design is proposed rather than verified, and the vendor says so plainly — a floating component, a part in the wrong place, an off price — which means a build that involves mains power, lithium cells, or anything that moves under load needs a competent human check before money is spent. And because it is a cloud service with no offline mode, it is a poor fit for work that cannot leave a machine. Use it to get from an idea to a shopping list, then hand that list to the tools that do the engineering.

Product and platform notes

What it is, what it will not do, and the facts worth verifying at the source.
A browser application, not an install
It runs in the browser, including on a phone, and there is nothing to download. The Terms identify the service at blueprint.am, and the product is operated by 3E8 Robotics Inc. There is no desktop application and no extended offline mode, which is the first constraint to check against how you work.
Two separate credit pools
Design credits pay for the conversational design work — a new design, an edit, or a follow-up question — and the clarifying questions and generation steps that complete a design are included in that charge. CAD generation is metered separately in the CAD Wallet, so a project that needs many 3D models consumes something different from a project that needs many revisions.
The output is a plan, not a board
Nothing here produces PCB layout or Gerber files. The deliverables are a bill of materials with sourcing links, a wiring diagram, build instructions, a 3D mechanical render, per-part CAD in STL, STEP or GLB, and a project ZIP on the paid tiers. If the endpoint of your work is a fabricated board, this is the front half of the process rather than all of it.
The design is proposed, and the vendor says so
The FAQ warns that the AI can get details wrong — a floating component, an off price, a part in the wrong place — and asks users to sanity-check a design before buying parts or building. Take that literally. It is a useful statement of what the tool is for, and it is why anything involving significant power, stored energy or moving parts needs a human review.
A content policy that blocks weapons and explosives
Requests the model classifies as restricted are refused, and the vendor states that genuinely prohibited projects, such as weapons or explosives, are blocked on purpose and will not generate. Harmless requests occasionally trip the filter, in which case the advice is to reword and try again.
Failed generations return the credit
When a generation fails because of an upstream error, a rate limit or a timeout, the design credit is returned automatically rather than consumed. In practice that means a run of provider errors costs you time rather than allowance, which is the fair arrangement.
Privacy is by default, publishing is opt-in
Every project is private to your account and only you can see it. Publishing is a separate action that generates a public share link under a generated username, and unpublishing returns the project to private. Because the design work happens server-side, the model and the platform do see the prompts and the reference images you supply.
The sourcing links are the soft spot
Component links currently default to one regional store, and the vendor acknowledges that some resolve to a general search rather than the exact part. Regional support is described as improving rather than complete. The bill of materials is the reliable artefact; the link on any given row is a suggestion.
What it does not do
It does not replace a schematic and PCB tool, and it does not claim to. It has no API, no manufacturing service, and no dedicated mobile application — the vendor lists those as directions under exploration. It is not a version-control system for hardware, and it does not carry an existing design forward, so a project you already have in an EDA tool is not something you bring here.

Frequently Asked Questions

Quick answers about this tool—open a question to read more.