.. _alternatives:

Alternative construction methods and materials
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The shoulder motor mount
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Using a clip:

.. image:: /images/shoulder-servo-mounting-clip.png
   :alt:


.. _no-clothes-peg:

Alternative pen-mounting
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An alternative method of mounting the pen is shown below. Use glue to help keep the ball-point pen tube in place.

.. image:: /images/card-arms-and-motors.jpg
   :alt:

A ball-point pen requires some pressure on it to work well, so place a weight over it.