: It is an OpenType font (.otf) built with TrueType format outlines. This choice allows it to scale dynamically on high-resolution displays or heavy plotting printers without losing edge clarity.

For engineers and designers working in CATIA or 3DEXPERIENCE, keeping DS ISO 1 as a standard for annotations is a best practice for producing professional and accurate engineering deliverables.

What specific you are trying to comply with?

For those interested in using the DS ISO 1 font, there are several resources available:

The font is a specialized technical typeface developed by Dassault Systèmes (the "DS" in the name) primarily for use in CATIA , a leading computer-aided design (CAD) software suite. It is designed specifically to support the geometric specification of products and technical drawings by providing a standardized set of technical symbols that comply with international standards. Technical Compliance and Standards

While DS ISO 1 is generally robust, it is provided "as is" and the user is responsible for ensuring compliance with specific company standards.

: The spacing and stroke weights are optimized for small-scale UI text and item descriptions. It remains crisp even at lower resolutions, which is likely why variants of this style are favored in gaming interfaces. Best For: Industrial design blueprints and technical manuals. Gaming UI (HUDs, menus, and item descriptions).

Since the 2026 Service Pack 1 (SP1/FD01) release, SOLIDWORKS Design will automatically use the DS ISO font as a fallback default if a user specifies a font that is not available on the system. This integration ensures that drawings can maintain a consistent, compliant appearance even when fonts are missing.

: It strikes a balance between modern minimalism and industrial rigidity. While it doesn't have the calligraphic elegance of something like Adobe Garamond Bold, it provides a "crude but clear" clarity that feels both retro and futuristic.

With the rise of BIM (Building Information Modeling) and 3D PDFs, the DS ISO 1 font is not dying; it is evolving. New versions now allow engineers to adjust stroke weight on the fly without changing font files.

A comparison of DS ISO 1 with other popular CAD fonts like Hershey or Leroy.

The font comes in four main styles that vary in their character counts:

In engineering, a misread "1" or "7" can lead to catastrophic manufacturing errors. DS ISO 1 features highly distinct shapes for numbers to eliminate ambiguity.

This article explores the technical details of the DS ISO 1 font, its compliance with ISO standards, its role within engineering workflows, and how it differs from other technical fonts. What is the DS ISO 1 Font?

(DS) to facilitate the standardized representation of annotations and engineering symbols in technical product documentation. Primarily delivered as a core component of the 3DEXPERIENCE