VISO fast rendering convolution block

Take regular shaped blocks or squares and pull them to a suitable size , Selected views --》 add-in --》 other Visio programme --》 Arrange shapes

The settings are shown in the figure below . Set the row and column spacing between shape edges to 0. Set the number of row and column blocks you need . With 2x3 Convolution kernel as an example ,

Draw the result ：