This 3D model is designed as a replacement digit panel for a manual substitution board. It functions as a flip-able number display, allowing match officials to indicate player substitutions.

The model was created to replace a broken bottom section of one of the digits. Instead of purchasing an expensive new board, this custom piece was designed as a cost-effective solution.

The model consists of two interlocking pieces:

• One piece has inner borders to provide a secure fit, and to seamlessly integrate with an existing panel or another printed piece
• The other piece is flat.

This design ensures a tight and stable connection, making it a durable and efficient replacement for damaged substitution board components.

Any improvements are welcome.