Frequently Asked Questions

GMT (Geometry Mapping Tool) is a web tool for teaching and learning Descriptive Geometry, combining interactive 3D, precise 2D construction and worksheets.

You can try the Sandbox for free. Some features—such as saving worksheets or sharing—may require an account or subscription.

GMT runs in modern desktop browsers (Chrome, Edge, Safari, Firefox). It also works on tablets, though we recommend a keyboard + mouse for best precision.

GMT focuses on orthographic projections (Monge method) with tools to create, fold and visualize geometry across 2D/3D views.

Use the language selector in the navbar to switch between English and Portuguese.

See the User Manual in the Material menu. It covers concepts, tools and step‑by‑step guidance. You can also find Tutorials in the YouTube channel.

For Premium and Classroom accounts, the tool has a built-in bug reporting system. Otherwise, use the contact links (LinkedIn/Email) to report bugs or request features. Please include steps and screenshots if possible.

A free space to try the tools—draw projections, fold planes and explore 3D—without creating an account.

An account is optional to explore, but required to save worksheets, organize work and share with others.

Named pages where you organize exercises, topics and classes. With a Premium or Classroom account, worksheets persist and can be shared.

A helper that lets you round inputs for accurate constructions (e.g., to units/decimals/centesimals).

Yes. GMT was designed with teachers in mind—demonstrate steps quickly, share sheets and help students practice spatial visualization.