The architectural symbols listed below are divided into the following categories: Reading blueprints generally requires a strong understanding of line types. Doors, windows, stairwells, walls, cabinets, and sinks are examples of these. Let’s start with architectural symbols, which are typically larger and will be drawn into floor plans first. Let us discuss the above blueprints one by one. There are different types of blueprint or graphic symbols, I’m listing out some useful categories of blueprint symbols. It could be present in structural drawing, architectural drawing, electrical drawing, machine, etc. How to read blueprints and floor plans (Video)īlueprint Symbols are generally used to indicate function, objects, or systems in the floor plan or any kind of engineering drawing.