system block diagram symbols for Yamaha products, based on 2020 USITT Sound Document Recommendations v3

SBD Yamaha v1

Mobility Plus helps people improve their quality of life through hundreds of products that increase mobility in and outside the home. These…

Mobility Plus Franchising

Basic Causal Loop Diagram and Stock&Flow Diagram shapes and building blocks. Includes Diffusion of Innovation model for overview.

System Dynamics

A small subset of Schweitzer Engineering Laboratories Equipment.

Schweitzer Equipment

Cisco SDWAN also known as Viptella stencils.


Some nice hand drawn style flowchart symbols

Hand drawn flowchart