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Skema — AI review of construction drawings

A web platform: upload a drawing and get a structured issue report in seconds.

Skema: desktop screenshot

// Results

review categories in every report
7
to analyze one plan in a test run
19.7 s
findings in a test report on one plan
32

// How it works

  • Review report: plan with highlighted issue zones and a severity summary
    Review report: plan with highlighted issue zones and a severity summary
  • Critical findings with location on the drawing and a suggested fix
    Critical findings with location on the drawing and a suggested fix
  • Report on another revision of the same plan
    Report on another revision of the same plan

What we built

We wrote the technical specification and a two-stage delivery plan of 4–6 weeks each: an investor demo, then the production platform. Files upload through signed links to private storage and pass validation and preprocessing: PDFs split into sheets, DWG and DXF convert to SVG. Each job enters a BullMQ queue with a 3-minute timeout; every one of the 7 categories gets its own model pass, the response is validated against a strict JSON schema and the report exports to PDF. Stage two adds a landing page, email and Google sign-in, review history, an interactive viewer that highlights findings on the drawing, and credit billing through Stripe.

  • Upload JPG, PNG, PDF, DWG and DXF up to 50 MB
  • 7 review categories, a dedicated pass for each
  • Findings with severity, location and suggested fix
  • Color-coded issue overlays on the plan

// Stack

  • Multimodal LLM
  • Computer vision
  • Next.js
  • PostgreSQL
  • BullMQ
// Next case
// Your project

Let's build this for you

Describe the task. An engineer replies within 24 hours with a plan and an estimate.

  • Free AI audit
  • Fixed-price pilot
  • NDA on request