Printable Metric Hex Nut Collection (M3–M12)

Printable Metric Hex Nut Collection (M3–M12)

A comprehensive collection of fully 3D printable metric hex nuts designed for FDM 3D printing, prototyping, STEM projects, and classroom use.

This set includes a range of common metric nut sizes from M3 to M12, making it perfect for educational demonstrations, design prototypes, robotics projects, and maker builds. Multiple styles are included to suit different project requirements and visual preferences.

Included Sizes

• M3
• M4
• M5
• M6
• M7
• M8
• M10
• M12

(M9 and M11 are omitted as they are uncommon metric fastener sizes.)

Included Variants

Each size is supplied in three styles:

Non-Chamfered

• Flat top and bottom faces
• Ideal for technical demonstrations and CAD learning

Single-Chamfer

• Chamfer on one face
• Matches many commercially available hex nuts

Double-Chamfer

• Chamfer on both faces
• Professional appearance and easier alignment during assembly

Perfect For

• Engineering and DT classrooms
• STEM education
• Robotics projects
• Product design prototypes
• Maker projects
• Cosplay and prop making
• Fastener demonstrations
• Mechanical design training
• CAD and technical drawing activities

Features

• Metric sizing
• FDM-friendly geometry
• Clean hexagonal profiles
• Easy-to-print designs
• Multiple nut styles included
• Great companion to printable bolts and washers
• Designed in Fusion 360

Matching printable bolts and washers are available separately to create complete metric fastener sets.

If you enjoy this model, please consider liking, downloading, and sharing your makes. Feedback and remixes are always welcome!