Is it possible to draw a Plane from the method DrawViewportWires(IGH_PreviewArgs args)?
I managed to draw points (using “args.Display.DrawActivePoint(pt);” and other listed types), but I couldn’t find any dedicated draw option for planes.
//Rolf
There’s no dedicated plane drawing method. You’ll have to draw a bunch of lines. Although there might be something for ConstructionPlanes in RhinoCommon…
Okidoki. I’ll have to look for some suitable drawing tool then… 
I believe this may be what David is referring to.
https://developer.rhino3d.com/api/rhinocommon/rhino.display.displaypipeline/drawconstructionplane
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