Create a block diagram - Visio - supportce Create a block diagram - Create a block diagram with perspective Click the File tab. Click New, under templates, or categories, click General, and then double-click Block Diagram.. From the Blocks With Perspective stencil, drag shapes onto the drawing page. To add text to a shape, select it, and Microsoft Visio 2010 : Tips for Creating Block Diagrams Nov 15, 2011Corner Rounding and Other Tips for Architecture Block Diagrams. I see a lot of “system architecture drawings” that use boxes within boxes within boxes to show the components and structure of a system. Figure 3 shows an example that conceptualizes Visio’s bits and pieces. Figure 3. A block diagram of Visio elements that could be improved.