Colorful Educational 4x4 Puzzle (16 Pieces)

A fun, vibrant, and educational puzzle for children, consisting of 16 unique pieces arranged in a 4x4 grid. Each piece features a distinct interlocking shape (such as a star, arrow, cross, or key), helping children develop fine motor skills, spatial awareness, and logical thinking as they figure out which pieces fit together.

The puzzle looks best when each piece is printed using a different filament color. This makes the final toy wonderfully bright, cheerful, and visually engaging for kids.

💡 Key Features

• Skill Development: Great tool for teaching colors, recognizing shapes, and practicing problem-solving.

• Easy to Print: No supports are required (print-in-place design for individual pieces).

• Unique Design: Each connection has a different shape, ensuring there is only one correct way to solve it.

• Robust & Durable: The 15 mm thickness makes the pieces easy for little hands to grasp and highly resistant to rough play.

🖨 Recommended Print Settings

The model is designed for a straightforward and hassle-free print.

Ready-to-print 3MF files are available for Bambu Studio, Anycubic Slicer NEXT, and Elegoo Slicer. Universal STL files are also included for all other 3D printers and slicers.

• Layer height: 0.2 mm

• Infill: 15% (more than enough for durability while saving material)

• Supports: NO

• Material: PLA (ideal for a wide range of vibrant colors and safe for children)

• Dimensions: The height/thickness of each piece is 15 mm.

🎨 Printing Tip

Post-processing for safety and fit: After printing, please inspect each piece. If necessary, deburr or clean up the bottom edges (especially any elephant's foot or sharp corners). This ensures that the puzzle pieces slide together smoothly and eliminates any sharp edges to prevent potential injuries.

To achieve the best look, I highly recommend using up your filament leftovers. Each piece requires only a small amount of material, making this the perfect project to clear out those nearly empty spools!