Looking for SIMPLE graphics Markdown language

Is there anything out there that enables users to drawn 2d graphics without having to learn to program or without having to use a CAD GUI?

Basically looking for a 2D scripting language like markdown but for graphics to generate blue prints.

Example of ideal functionality

-You can set drawing scale -set output scale -set origin -add, edit, primitive objects. -generate SVG, PS or PDF output.

Split screen drawing environment command window, preview/output window. Also CLI capable. Source of drawings is stored as text or JSON.