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Overview

A drawing that looks complete can still have blank title-block fields, undimensioned features, or a tolerance that doesn’t match the model. Catching these manually means reading every view, every dimension, and every note — and it’s easy to miss one on a dense sheet. Nexus reviews a drawing feature by feature against ASME Y14.5, ISO 128/8015, or your own house rules, and can also check it against a previous revision or an incoming supplier drawing. You get a structured issue list, not a redlined guess — each item with its location and what’s wrong. Use the built-in Drawing Review workflow for a standards and manufacturability pass in one step — see Drawing Creation for how to launch it, or drive the checks below directly with a prompt.

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What Nexus can help with

  • Standards compliance — Check every dimension, tolerance, and annotation against ASME Y14.5 or ISO 128/8015 conventions.
  • Completeness — Flag undimensioned features, blank title-block fields, missing tolerances, and dangling leaders.
  • Model-to-drawing consistency — Cross-check drawing dimensions against the native 3D model to catch a drawing that’s gone stale.
  • Revision comparison — Diff the current drawing against a previous revision and list exactly what changed.
  • Incoming drawing review — Check a supplier or vendor drawing against your requirements: material, tolerance class, finish, and callouts.
  • House rules — Apply your own review checklist — anything from “no dimensions on hidden lines” to “every hole must reference the drilling standard.”

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Example prompts

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Tips for drawing review prompts

  • State the standard — ASME and ISO differ on tolerance interpretation, projection convention, and annotation style. Say which one applies before asking for a compliance check.
  • Say what to compare against — a blank standards check, a previous revision, or an incoming supplier spec each need a different comparison target. Be explicit about which one you want.
  • Ask for a structured issue list, not a summary — request each finding with its location (view, dimension, or title-block field) and severity, so the list can be worked through directly.
  • Provide your house rules once, reuse them — if you review drawings against the same checklist repeatedly, save it as a skill so you don’t have to restate it every time.
  • Run it before release-critical gates — use drawing review before sending a drawing to a supplier, submitting for approval, or gating a part release.