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ClayModeller

Create 3D models for clay printing with intuitive touch sculpting
New in version 1.1.0
Dependency updates and maintenance release. Updated Kotlin to 2.4.0, AndroidX Lifecycle to 2.10.0, Material to 1.12.0, and other libraries. Reordered toolbar with View first, default tool set to Add with symmetry enabled.
ClayModeller is an Android app for creating 3D models that can be printed using clay.

Features:
• 9 Sculpting Tools - Remove, Add, Pull, Smooth, Flatten, Pinch, Inflate, Light, and View mode
• Drag-Based Sculpting - Add and Pull tools respond to finger drag direction for intuitive modeling
• Per-Model Lighting - Adjust light position and intensity, saved with each model
• Example Models - 6 built-in examples to learn sculpting techniques
• Undo/Redo - Up to 20 levels of undo history
• Save/Load - Save your models in custom .clay format
• STL Export - Export models for 3D printing (50-200mm)
• Auto-Save - Automatic backup every minute
• View Mode - Examine your model with camera controls (pinch zoom, rotate, pan)
• Visual Cursor - See tool size and position in real-time

ClayModeller does not collect any user data. All files are stored locally on your device.
  • app screenshot

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.1.0 (2) suggested Added on Jul 20, 2026

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • uk.org.retallack.claymodeler.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 6.0 MiB PGP Signature | Build Log

    • New in version 1.0.0
    Initial release with 9 sculpting tools, STL export, per-model lighting, 6 example models, undo/redo, auto-save, and .clay file format.
  • Version 1.0.0 (1) - Added on Jul 15, 2026

    This version requires Android 8.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • uk.org.retallack.claymodeler.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 5.6 MiB PGP Signature | Build Log

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