Blog
Engineering drawings: creating, reviewing, and handing off.
Pen 2.1: Runs faster and finds more errors
Reviews come back more than twice as fast and Pen catches more mistakes. A new model, GPT-6 Astra, and a sharper review method.
Pen 2.0 Is Live
The strongest version of ClearHandoff's AI drawing assistant yet. As fast as its predecessor, but it catches more mistakes.
Meet Pen, Our AI Drawing Assistant
Our AI assistant now has a name: Pen. Tag @pen in any comment to ask follow-up questions about tolerances, manufacturing, or missing dimensions.
Ask Your Drawing Anything with @AI
Tag @AI in any comment on your technical drawing to ask follow-up questions about tolerances, manufacturing methods, or missing dimensions.
AI in Mechanical Engineering Design: Between Magic Demos and Real Workflows
Where AI already works in mechanical engineering design, where it doesn't, and who will build what's missing.
Text to Drawing: Type a Description, Get a Dimensioned Drawing
Describe a part in plain text and get a dimensioned engineering drawing in seconds. The foundation for AI that can fix drawings, not just review them.
Engineering Drawing Title Block: What to Include and Why It Matters
A practical guide to title blocks on engineering drawings — what fields to include, layout options, common mistakes, and how to get them right.
3D Models or 2D Drawings in Design Reviews? We Polled 84 Engineers.
We asked r/MechanicalEngineering whether they primarily use 3D models or 2D drawings in design reviews. Here are the results.
Can AI Grade Engineering Drawings as Well as a Human?
A new study compares AI-generated grades on technical drawings with human results. The outcome: no statistically significant difference.
Introducing ClearHandoff: AI-Assisted Drawing Reviews for Engineering Teams
We built ClearHandoff to fix how engineering teams review technical drawings. Here's why — and what it does.