Ah-ha no not a typo but some barriers in style of HESCO for my sci-fi stuff.
Here are the digital musings, the real ones will follow shortly.
I will be adding some rubble/filler with green stuff once the 3D master is printed.
As you can see, with these ones unlike many others, the mesh will actually protrude from the main body as opposed to being a recessed line.
EDIT; Here is a picture of a paper mock up so you can gauge size: