A standardized planting system designed specifically for balcony gardening and 3D printing enthusiasts, allowing you to create a "vertical farm" even in limited spaces. Key Highlights: * **Unlimited Stacking, Free Expansion:** Supports unlimited horizontal and vertical splicing, from a single unit to an entire wall, allowing you to create your own custom planting matrix to suit different balconies and spaces. * **Stable Structure, Safe and Reliable:** A widened base design, combined with snap-fit ​​interlayer connections (a gentle tap during installation securely locks it in place), ensures excellent stability even when stacked multiple layers, unaffected by wind or daily contact. * **Intelligent Drainage, Healthy Planting:** Each layer has pre-drainage holes, and an integrated drip tray at the bottom ensures soil aeration, prevents waterlogging and root rot, and keeps the floor clean, keeping your balcony consistently fresh. * **3D Printing, Ready to Use:** Each unit has a fixed size of 100×240×100 mm, requiring no size adjustments; simply print and assemble. Suitable for planting shallow-rooted plants such as lettuce and herbs, easily achieving "freshly picked and eaten." Applicable Scenarios Balcony/Windowsill Vegetable Growing: Grow shallow-rooted crops such as lettuce, herbs, and scallions to create a miniature home garden. Indoor Greenery Decoration: Create vertical green walls to purify the air and enhance the aesthetics of the space. DIY Maker Projects: Serving as a standardized modular prototype, it expands into more creative applications.