Engineering teams rarely struggle to create CAD data. The difficulty starts when that data needs to leave its original system. This can show up as suppliers being unable to open files, reviewers not having the correct file version, or downstream teams receiving screenshots instead of usable 3D models.  

According to Tech-Clarity, engineers spend an average of one day per week on non-value-added data management tasks, including finding information, working with the wrong data, and translating between formats. This guidance is intended to help organizations reduce that burden by matching the right sharing method to the right recipient from the outset.

"Most of the friction we see isn’t a technology problem. It’s a mismatch between the format a team is using and what the recipient actually needs," said Lionel Vieilly, Senior Product Manager – Industrial Applications at Tech Soft 3D. "We put this guidance together because we kept seeing the same decision trip teams up, and getting it right from the start is what actually saves the time."

CAD Viewers: For Quick, Accessible Data Review

Per this guidance, a CAD viewer is the right choice when the goal is review rather than downstream editing. Viewers let internal teams, including reviewers, project managers, and quality staff, open, measure, and annotate 3D models without licensing full CAD software.

Translation: Unlock CAD Data for Continued Work in Other Systems

When a design needs to move into a supplier’s or partner’s own CAD or PLM environment for continued work, translation is the appropriate method. Because each translation step carries some risk to data integrity, Tech Soft 3D recommends tools built on direct vendor APIs to help preserve accuracy across format changes rather than relying on generic or point-to-point converters.

3D PDF: For Broad, Secure Data Sharing

For sharing a finished design package broadly, including with non-technical stakeholders who have no CAD software at all, 3D PDF is recommended. It packages geometry, metadata, and supporting documents into a single file that opens in standard, free PDF readers, while keeping intellectual property more contained than sharing a native or translated file. SpinFire Convert includes ready-to-use templates for producing 3D PDFs, including bills of materials, PMI analysis, and technical data packages, so recipients receive only the information relevant to their role.

A Structured Approach to CAD Data Sharing

Tech Soft 3D notes that organizations often use all three methods across a single product’s lifecycle: a viewer for internal review, translation when a design moves to a supplier, and 3D PDF when a finished package goes to a customer. Matching the tool to the recipient reduces the back-and-forth caused by unusable files and version confusion, while limiting how much sensitive design data reaches people who don’t need full CAD access.

As supply chains grow more distributed and reviews increasingly involve non-CAD stakeholders, this kind of structured approach is becoming less of a convenience and more of an operational requirement.

For more comprehensive guidelines, Tech Soft has a breakdown on 3D PDFs, CAD data translation, and CAD Viewer selection. Learn more about choosing the right CAD data sharing method with SpinFire.