TAD Docs

Select a point on the line of the helpers where you want to snap the architect.
On the Snaps menu, click Snap to perpendicular foot. The architect moves perpendicularly to the two helpers. Alternatively, you can press Ctrl + F.

Any of the snap actions listed below will position the architect to a precise location. Click each one to learn more. Those coming from a CAD backdrop, may need to understand why the snap action in TAD is very different

Press F1 inside the application to read context-sensitive help directly in the application itself
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