UNO R3 Acrylic Board 12cm*8.3cm

UNO R3 Acrylic Board 12cm * 8.3cm
product description
Applies to all the same mounting holes as the Arduino board
Size: 12CM x 8.3CM
note:
Motherboard installed in the nylon column near the SDA and SCL feet can not be fixed screws or nuts, please do not think it is a design problem
UNO modules and breadboards are not included.