This 3D printable T-joint connector is designed to easily and accurately join two wooden boards at a 90-degree angle.

It is ideal for DIY projects, furniture, shelving, frames, and light structural applications, allowing fast assembly without complex woodworking tools or joinery.

The design is optimized for FDM 3D printing, ensuring good mechanical strength, proper alignment, and ease of installation.
The joint can be fixed using wood screws for maximum strength or glue for lighter applications.

Key Features

• ✔️ Strong and precise T-shaped wood joint
• ✔️ Optimized for support-free printing
• ✔️ Designed for FDM 3D printers
• ✔️ Suitable for wood, plywood, and MDF
• ✔️ Easy and fast installation
• ✔️ Functional and robust design

Recommended Print Settings

Materials

• PLA (indoor use)
• PETG or ABS (higher strength or warmer environments)

Settings

• Layer height: 0.2 mm
• Infill: 20–30% (Gyroid or Cubic recommended)
• Walls: 3–4 perimeters
• Supports: Not required
• Print orientation: As uploaded

Assembly Instructions

1. Insert the wooden boards into the connector
2. Secure using wood screws (recommended for strength)
3. Alternatively, use wood glue for lighter applications
4. Check alignment before final tightening