Mini Brick Draft

Mini Brick Draft is a 3D block editor for designing mini brick, micro brick, and nano-size miniature block models.

Add, remove, rotate, and recolor blocks to create your own model. View the finished design from multiple angles, inspect each layer, and generate building plans and parts lists.

Key features

- Standard block sizes from 1×1 to 2×3
- Connected custom block shapes
- Add, delete, recolor, rotate, and mirror editing tools
- Floating placement for building at any height
- 3D rotation, panning, and zoom controls
- Convert a reference image into a flat block pattern
- Inspect individual layers and unsupported blocks
- Count actual parts by color and shape
- Save and reopen projects as JSON files
- Export layer images and PDF building plans
- Korean, English, and Japanese support

No account or sign-up is required. Models, imported images, and project data are processed on your device.

Mini Brick Draft is an independently developed, unofficial design tool. It is not affiliated with, sponsored by, endorsed by, or officially connected to any block manufacturer, seller, or trademark owner. It does not sell physical block products or provide official manufacturer instructions.