Floor plan design requires you to add fixtures into your drawing. Without adding fixtures to your drawing, you won’t know if the room will work. When creating floor plans, you’ll need: toilets, cabinets, bath tubs, sinks, laundry machines, water heater, furnace, and doors. You could obviously create all of these yourself, but trying to find the correct dimensions of some of these objects can be a bit tedious. Below is a list of resources where you can download free DXF files for the above fixtures.