Privacy Policy

How 3DPHW handles information connected with STLFileManager.com and STL File Manager services.

Your Privacy and STL File Manager

This Privacy Policy explains what information may be collected, why it is used, when it may be shared, and the choices available to visitors and users.

Effective Date: July 31, 2026

1. Scope of This Policy

This Privacy Policy describes how 3DPHW (“3DPHW,” “we,” “us,” or “our”) handles information in connection with STLFileManager.com, its contact form, installer downloads, website services, and related STL File Manager server communications.

3DPHW is the developer and publisher behind STL File Manager and the Printable Tool Set.

This Policy applies to information processed through STLFileManager.com and related services operated by 3DPHW. It does not control the privacy practices of independent third-party websites, slicers, software providers, or services that may be linked from this website.

2. Information We Collect

Information You Submit

When you use the contact form or communicate with us, we may receive information including:

  • Your name.
  • Your email address.
  • The message category and subject you select.
  • The contents of your message.
  • Any additional information you voluntarily provide.

The contact form also records the submission time and the IP address associated with the request to assist with security, troubleshooting, and abuse prevention.

Please do not submit passwords, payment-card information, complete activation credentials, private security keys, or other sensitive information through the contact form.

Website and Server Information

Our hosting and security systems may automatically record technical information when you visit or interact with the website. This may include:

  • IP address.
  • Date and time of access.
  • Requested pages, files, or website resources.
  • Browser type and operating-system information.
  • Referring page or website.
  • HTTP response and error information.
  • Security, rate-limit, and abuse-detection events.

Download Information

When an installer or other file is requested, our download systems may record information such as the requested file, IP address, request time, browser or user-agent information, download status, and rate-limit activity.

3. How Information Is Used

We may use collected information to:

  • Provide, maintain, and improve the website.
  • Respond to support questions and feedback.
  • Deliver and verify official downloads.
  • Operate license, activation, and update services.
  • Diagnose technical problems and failed requests.
  • Understand how visitors use the website.
  • Protect the website, server, users, and downloads.
  • Detect spam, fraud, automated abuse, and security threats.
  • Enforce applicable terms, licenses, and usage restrictions.
  • Comply with legal and regulatory obligations.

We do not sell or rent personal information to advertisers or data brokers.

4. Google Analytics

STLFileManager.com uses Google Analytics to help us understand website traffic, page usage, referral sources, downloads, and general visitor engagement.

When Google Analytics is active, your browser may send information to Google, including the URL of the page visited, IP address, browser and device information, approximate geographic information, and interaction or event information. Google Analytics may also use cookies or similar technologies to distinguish visits and measure activity.

We use Analytics reports to understand general website performance and improve the visitor experience. We do not intentionally send names, email addresses, contact-form messages, license keys, or other directly identifying information to Google Analytics.

Learn more about how Google uses information from websites and applications that use its services:

How Google uses information from sites or apps that use its services

Visitors may also use Google’s browser add-on to prevent Google Analytics JavaScript from sharing visit activity with Google Analytics:

Google Analytics Opt-out Browser Add-on

5. Cookies and Similar Technologies

STLFileManager.com may use cookies or similar browser technologies for essential security and analytics purposes.

Essential Session Cookie

The contact form may use a temporary session cookie to protect submissions against unauthorized or forged requests. This cookie is used for security and normally expires when the browser session ends.

Analytics Technologies

Google Analytics may use cookies or similar identifiers to measure visits, interactions, and website performance.

You can block or delete cookies using your browser settings. Blocking essential cookies may prevent certain website features, such as the protected contact form, from operating correctly.

6. App and Download Services

STL File Manager can communicate with 3DPHW-operated servers for functions such as installer downloads, Sample Tools, Printable Tool Set downloads, license verification, activation, activation resets, managed updates, and related security checks.

Depending on the feature used, these communications may process information such as:

  • IP address.
  • License key or license status.
  • A device identifier used for activation.
  • Application or update version information.
  • Requested file paths or download records.
  • Activation, verification, and update timestamps.
  • Success, failure, and security-status information.

This information is used to provide requested services, confirm license eligibility, manage downloads and updates, prevent abuse, diagnose errors, and protect paid content.

The free My STL Library feature does not require you to submit your personal STL files to 3DPHW.

7. My STL Library Files

My STL Library lets you select and browse a folder containing your own STL and supported files on your Windows computer.

STL File Manager is designed to browse, preview, and open supported files from the folder you select. 3DPHW does not use My STL Library to upload, synchronize, sell, or remotely inspect the contents of your personal STL collection.

STL File Manager does not intentionally delete, rename, move, overwrite, or update personal My STL Library files.

8. When Information May Be Shared

We may share limited information when reasonably necessary with service providers that help us operate the website and related services, including:

  • Website hosting and server-management providers.
  • Security, firewall, malware, and abuse-prevention services.
  • Email and message-delivery infrastructure.
  • Analytics providers such as Google Analytics.
  • Professional advisers when reasonably necessary.

These providers may process information on our behalf according to their own agreements, policies, and legal obligations.

We may also preserve or disclose information when we reasonably believe it is necessary to:

  • Comply with applicable law or valid legal process.
  • Protect the rights, property, or safety of 3DPHW or others.
  • Investigate fraud, abuse, attacks, or security incidents.
  • Enforce applicable terms, licenses, or agreements.
  • Complete a legitimate business reorganization or transfer.

9. Data Retention

Information is retained only for as long as reasonably necessary for the purposes described in this Policy, including support, security, legal, licensing, operational, and recordkeeping needs.

Retention periods may vary by information type:

  • Contact messages may be retained while a request is being handled and afterward for support history, dispute prevention, or business records.
  • Server, download, and security logs may be retained for troubleshooting, traffic analysis, fraud prevention, and system protection.
  • License and activation records may be retained while a license remains active and afterward as needed to administer the license, prevent abuse, or maintain transaction records.
  • Google Analytics information is retained according to the retention settings selected for the Analytics property and Google’s applicable policies.

Information may be retained longer when required by law, necessary to resolve a dispute, or reasonably needed to protect the website, service, users, or 3DPHW.

10. Data Security

We use reasonable administrative, technical, and operational measures intended to protect information and website services. These measures may include encrypted HTTPS connections, access controls, server monitoring, malware scanning, rate limiting, spam protection, logging, and security updates.

No website, server, email system, network connection, or storage method can be guaranteed to be completely secure. You should avoid sending sensitive information that is not necessary for your request.

11. Your Choices and Rights

You may choose not to submit information through the contact form. You can instead contact us using the email address provided below.

You can control or delete cookies through your browser, use private-browsing features, or use the Google Analytics opt-out browser add-on.

Depending on where you live and the laws that apply, you may have rights concerning personal information, including the ability to request access, correction, deletion, restriction, or information about how it is used.

To make a privacy request, contact us at support@stlfilemanager.com . We may need to verify your identity and the request before taking action. Some information may be retained where permitted or required for security, legal, licensing, fraud-prevention, or recordkeeping purposes.

12. Children’s Privacy

STLFileManager.com and STL File Manager are not directed specifically to children under 13, and we do not knowingly collect personal information from children under 13.

If you believe a child has submitted personal information through the website, contact us so the matter can be reviewed and appropriate action can be taken.

13. External Websites and Services

STLFileManager.com may link to other websites, products, slicers, download services, or platforms. External services are operated independently and may have their own privacy policies and data practices.

A link does not necessarily indicate sponsorship, endorsement, partnership, or control by 3DPHW. Review the privacy policies of external services before providing information to them.

14. Changes to This Policy

We may update this Privacy Policy when website features, services, data practices, providers, or legal requirements change.

The updated version will be posted on this page with a revised effective date. Continued use of the website after an update means the current posted Policy applies to subsequent use.

15. Contact Information

Questions or requests concerning this Privacy Policy may be sent to:

3DPHW
Developer and publisher of STL File Manager
Arizona, United States

Email: support@stlfilemanager.com

Website: STLFileManager.com

Privacy Questions?

Contact 3DPHW if you have a question about this Policy or information connected with STLFileManager.com.

support@stlfilemanager.com