Computer Aided Drafting and/or Design.
My job for 20 years...still have the software, and can hardly think without it
Graph paper and pencil/eraser works too.
Tracing paper is nice too, once you get basic building drawn you can do multiple versions of 'furniture arrangements' using the racing paper over the building plan.
My job for 20 years...still have the software, and can hardly think without it

Graph paper and pencil/eraser works too.
Tracing paper is nice too, once you get basic building drawn you can do multiple versions of 'furniture arrangements' using the racing paper over the building plan.