Privacy Policy

Introduction

Welcome to Marble 3D AI, an AI-powered 3D model generation platform featuring a proprietary spatial consistency engine. At Marble 3D AI, we are committed to protecting your privacy and personal data. This privacy policy outlines how we collect, use, and protect your information when you use our services.

Effective Date: January 1, 2024

By using Marble 3D AI, you agree to the collection and use of information in accordance with this policy.

Service Provider

Marble 3D AI is operated by:

Service Name: Marble 3D AI
Website: https://www.marble3dai.com
Support Email: support@marble3dai.com
Privacy Email: privacy@marble3dai.com

Information We Collect

We collect the following types of data to provide you with the best 3D generation experience:

1. Account Information

What We Collect: Your name, email address, and any other information you provide when creating an account.
Purpose: To manage your account, provide customer support, and communicate service updates.
Legal Basis: Performance of our contract with you (Article 6(1)(b) GDPR).

2. Uploaded Content

What We Collect: 2D images that you upload for 3D model generation, including the visual data contained within these images.
Purpose: To process your requests and generate 3D models using our AI engines.
Legal Basis: Performance of our contract with you (Article 6(1)(b) GDPR).

3. Generated 3D Assets

What We Collect: 3D model files (GLB/GLTF format), thumbnails, and spatial consistency data generated from your inputs.
Purpose: To deliver your requested 3D assets and provide download access.
Legal Basis: Performance of our contract with you (Article 6(1)(b) GDPR).

4. Usage Data

What We Collect: Information about how you interact with our platform, including features accessed, generation requests, mesh density settings, texture quality selections, and usage patterns.
Purpose: To analyze user engagement, improve our AI models, and enhance the spatial consistency engine.
Legal Basis: Legitimate interest (Article 6(1)(f) GDPR).

5. Device Information

What We Collect: Data regarding the devices you use to access Marble 3D AI, such as device type, operating system, browser type, IP address, and location data (city/region level).
Purpose: To optimize our services for different devices, ensure compatibility, and maintain security.
Legal Basis: Legitimate interest (Article 6(1)(f) GDPR).

6. Cookies and Tracking Technologies

What We Collect: Small data files placed on your device that help us track user preferences and improve user experience.
Purpose: To enhance functionality, personalize your experience, analyze platform performance, and maintain session state.
Legal Basis: Consent (Article 6(1)(a) GDPR) and legitimate interest (Article 6(1)(f) GDPR).

7. Payment and Billing Information

What We Collect: Payment method details, billing address, and transaction information required for payment processing.
Purpose: To facilitate billing and payment processing for our subscription and credit-based services.
Legal Basis: Performance of our contract with you (Article 6(1)(b) GDPR). Payment information is processed by our third-party payment providers.

8. Credit and Usage History

What We Collect: Records of your credit purchases, credit consumption, generation history, and subscription status.
Purpose: To manage your account, track usage limits, process billing, and provide support.
Legal Basis: Performance of our contract with you (Article 6(1)(b) GDPR).

How We Use Your Information

We use the information collected from our services for the following purposes:

3.1. Service Provision

To operate, maintain, and provide you with the 3D model generation services
To process your image uploads and generate 3D assets using our AI engines
To manage your credits, subscription, and account settings
To provide customer support and respond to your inquiries

3.2. AI Model and Service Improvement

To analyze usage trends and patterns to improve our spatial consistency engine
To train and fine-tune our AI models using anonymized and aggregated data
To develop new features and enhance existing functionality

3.3. Security and Fraud Prevention

To detect, prevent, and address technical issues and security threats
To verify your identity and prevent fraudulent activity
To enforce our Terms of Service

3.4. Communications

To send you transactional communications (receipts, account updates)
To send you marketing communications (with your consent)
To respond to your questions and provide support

3.5. Analytics and Research

To analyze user behavior and preferences to improve our services
To generate aggregated, anonymized statistics and insights
To conduct research and development activities

We respect your privacy and do not sell your personal information. We may share your data only in the following circumstances:

4.1. AI Service Providers

To provide our 3D model generation services, your uploaded images may be processed by third-party AI engines, including:

Trellis 3D Engine: For spatial consistency and 3D asset generation
Hunyuan3D Engine: For high-quality texture and geometry synthesis

These providers process your data under strict confidentiality agreements and data processing agreements in accordance with applicable data protection laws.

4.2. Cloud Infrastructure Providers

We use trusted cloud service providers to host and process data, including:

Cloud Hosting: For secure data storage and processing
CDN Services: For fast content delivery

These providers are bound by data processing agreements and comply with applicable data protection regulations.

4.3. Service Providers

We may share data with third-party service providers who assist us in:

Payment processing (e.g., Stripe, PayPal)
Email delivery and communication services
Analytics services (e.g., Google Analytics)
Customer support tools

These providers have access to personal data only as necessary to perform their services and are obligated to protect your information.

4.4. Legal Requirements

We may disclose your information if required to do so by law or in response to:

Valid legal requests from law enforcement or government authorities
Court orders or subpoenas
To protect our rights, property, or safety
To protect the rights, property, or safety of our users

4.5. Business Transfers

In the event of a merger, acquisition, or sale of assets, your information may be transferred to the new owner.

We may share your information for other purposes with your explicit consent.

4.7. Aggregated Data

We may share aggregated, anonymized data that does not identify you personally with third parties for analytics, research, or marketing purposes.

Data Security

We implement industry-standard security measures to protect your personal information:

5.1. Encryption

All data is transmitted using secure encryption protocols (TLS 1.2+)
Sensitive data is encrypted at rest using industry-standard encryption

5.2. Access Controls

Access to personal data is restricted to authorized personnel only
We implement role-based access controls and audit logs
Employees undergo background checks and sign confidentiality agreements

5.3. Security Measures

Regular security assessments and penetration testing
Intrusion detection and prevention systems
Secure development practices and code reviews

5.4. Data Breach Notification

In the event of a data breach that affects your personal information, we will:

Notify you without undue delay (and within 72 hours as required by GDPR)
Provide information about the nature of the breach and affected data
Outline steps we are taking to address the breach

While we strive to protect your data, no method of transmission over the Internet is 100% secure.

Data Retention

We retain your personal data for different periods depending on the purpose:

Data Type	Retention Period	Notes
Uploaded Images	7 days after generation	Deleted automatically; may be retained longer if required for abuse investigation
Generated 3D Models	30 days (Free users) / 90 days (Paid users)	Extended retention for paid subscribers
Account Data	Until account deletion	Deleted upon your request or account inactivity (2 years)
Usage Logs	90 days	Used for security and analytics purposes
Transaction Records	7 years	As required for tax and accounting purposes
Marketing Data	Until opt-out or account deletion	Respecting your communication preferences

Upon your request for account deletion, we will delete or anonymize your personal data within 30 days, subject to legal retention requirements.

Your Privacy Rights

Depending on your location, you may have the following rights regarding your personal data:

7.1. Right to Access

You have the right to request confirmation of whether we process your personal data and access a copy of that data, including information about processing purposes and recipients.

7.2. Right to Rectification

You have the right to request correction of inaccurate or incomplete personal data we hold about you.

7.3. Right to Erasure (Right to be Forgotten)

You have the right to request deletion of your personal data when:

The data is no longer necessary for the purposes it was collected
You withdraw consent (where processing is based on consent)
You object to processing and there is no overriding legitimate ground
The data has been processed unlawfully

7.4. Right to Restrict Processing

You have the right to request that we limit the processing of your personal data when:

You contest the accuracy of the data
Processing is unlawful but you oppose erasure
We no longer need the data but you require it for legal claims
You have objected to processing pending verification

7.5. Right to Data Portability

You have the right to receive your personal data in a structured, commonly used format and to transmit it to another controller, where processing is based on consent or contract.

7.6. Right to Object

You have the right to object to processing of your personal data based on legitimate interest, including profiling for direct marketing purposes.

Where we rely on your consent to process personal data, you have the right to withdraw that consent at any time. Withdrawal does not affect the lawfulness of processing before withdrawal.

7.8. Right to Lodge a Complaint

You have the right to lodge a complaint with a supervisory authority, particularly in the EU member state where you reside or work.

How to Exercise Your Rights

To exercise any of these rights, please contact us at privacy@marble3dai.com. We will respond to your request within 30 days (or as required by applicable law).

Children's Privacy

Our services are not directed to children under the age of 13. We do not knowingly collect personal data from children under 13.

If you are a parent or guardian and believe your child has provided us with personal information, please contact us at support@marble3dai.com. We will:

Promptly delete such personal information from our systems
Take steps to verify and terminate any account created by a child

For users aged 13-18, please ensure you have parental or guardian consent before using our services.

Cross-Border Data Transfers

Your information may be transferred to and processed in countries other than your country of residence.

For Users in the European Economic Area (EEA)

We may transfer your data to countries outside the EEA. Where required by law, we ensure appropriate safeguards are in place, including:

Standard Contractual Clauses (SCCs) approved by the European Commission
Compliance with GDPR requirements for international data transfers

For Users in China

To provide our AI-powered 3D generation services, your data may be transferred outside of mainland China to:

AI service providers (e.g., Trellis, Hunyuan3D)
Cloud infrastructure providers

By using our services, you consent to such cross-border transfers for the purpose of providing our services. We take appropriate measures to ensure your data is protected in accordance with applicable laws and regulations.

Cookies Policy

Types of Cookies We Use

Cookie Type	Purpose	Duration	Consent Required
Essential Cookies	Authentication, security, session management	Session / 1 year	No
Functional Cookies	Remember preferences, settings	1 year	No
Analytics Cookies	Understand user behavior, improve services	2 years	Yes
Marketing Cookies	Deliver relevant advertisements	2 years	Yes

Managing Cookies

You can manage or disable cookies through your browser settings. Please note that disabling essential cookies may affect the functionality of our services.

Do Not Track

We do not currently respond to "Do Not Track" (DNT) browser signals, as there is no agreed-upon standard for how to respond to such signals.

California Privacy Rights (CCPA/CPRA)

If you are a resident of California, you have additional rights:

Right to Know: Categories of personal information collected, used, and shared
Right to Delete: Request deletion of your personal information
Right to Opt-Out: Sale of personal information (we do not sell personal information)
Right to Non-Discrimination: No discrimination for exercising privacy rights

To exercise these rights, please contact us at privacy@marble3dai.com.

Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any changes by:

Posting the new policy on this page
Updating the "Effective Date" at the top
Sending you an email notification for material changes (if you have an account)

Material changes will become effective 30 days after notification. Your continued use of our services after the effective date signifies your acceptance of the updated policy.

Contact Us

If you have any questions, concerns, or requests regarding this privacy policy or our data practices, please contact us:

Website: https://www.marble3dai.com
Email for General Inquiries: support@marble3dai.com
Email for Privacy Matters: privacy@marble3dai.com

For residents in the European Economic Area, the United Kingdom, or Switzerland, the data controller is Marble 3D AI, and we can be reached at the contact details above.

By using Marble 3D AI, you acknowledge that you have read, understood, and agree to this privacy policy. Thank you for trusting us with your information as you create 3D worlds!