Help Center

Find guides and documentation to help you get the most out of ClearHandoff.

Creating drawings

Drawing Tool

Learn how to navigate the canvas, use drawing tools, and keyboard shortcuts.

Upload a STEP file and get a 2D engineering drawing.

Generate engineering drawings from text descriptions using AI.

Reviewing drawings

How AI review works, credits, and customizing review instructions.

Ask Pen follow-up questions on any drawing by tagging @pen in a comment.

Browse ready-made review profiles for different manufacturing processes and industries.

How to review drawings and request drawings from others.

Multi-page PDFs split into sheets, light and deep reviews, and signing off a whole drawing set.

Reviewing 3D models

Upload a STEP file, look around the model, read its PMI and comment on faces.

What the AI checks in a model, how findings appear on the faces, and what it costs.

Ready-made profiles for CNC machining, sheet metal, 3D printing and assembly release.

A model and its drawings, reviewed, shared and approved together.

Collaborating

Learn about Owner, Editor, and Commenter roles and what each can do.

Team roles, inviting members, and managing your subscription.

Your team's review checklists, ticked off together on a drawing or 3D model.

Integrating

Integrate ClearHandoff into your workflow with API keys and programmatic access.