Paste coordinates as lat, lon and they're used directly. Anything else is looked up by name.

Drag inside the outline to move it, drag the corner handle to resize. To redraw from scratch, hit Draw area — or hold Shift and drag anywhere on the map.

Switch the map to Place marker and click to drop it. It cuts a through hole in the model, so you can push a rod, pin or LED up from below.

Ground area

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Sample spacing

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Elevation range

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Relief

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Model footprint

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Model height

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Water plane

off

Water coverage

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Triangles

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STL exports in millimetres, Z-up, sitting flat on the build plate.