An adapter can be used with a compass or a drafting compass where one of its legs, which holds the compass point, can be replaced with an adapter that can securely hold various writing instruments. Alternatively, the compass may come with a leg that serves as the adapter itself, allowing for interchangeable writing instruments.

Simple and precise adjustment options thanks to the central gear mechanism.

To achieve parallel positioning of the legs and facilitate the precise drawing of particularly large circles.

The universal adapter provides precise editing options by securely holding various writing and drawing tools.