They are the isometric plumbing drawings for common residential building floor layouts ie back to back bathrooms kitchens powder rooms in just about every configuration you can think of. While i was going through my plumbing stuff i happened to come across one of the best references i have ever had and used.

Cad Blocks Drawing Symbols For 2d 3d Cad Autodesk

Cad Blocks Drawing Symbols For 2d 3d Cad Autodesk

House Plumbing In Autocad Download Cad Free 23268 Kb

House Plumbing In Autocad Download Cad Free 23268 Kb

Toilet Plan With Isometric View Autocad Drawing Cadbull

Toilet Plan With Isometric View Autocad Drawing Cadbull

Taps Cad Blocks Free Download

Taps Cad Blocks Free Download

Bathroom Planner Roomsketcher

Bathroom Planner Roomsketcher


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