After cutting the circular plexiglass servo support and attaching to the servo itself, it was realised that it would not create a stable enough foundation if we were to create shelf-like extrusions on the inner rounded surface of the centre piece. Another factor was that extra support would be needed to keep the servo elevated without the weight of the servo (and stand) dropping at any given moment in time.
As a result, a second structure was cut from plexiglass; a circular ring with an outer diameter that fits exactly into the inner compartment of the central PVC piece, acting as a stable "shelf". The ring's inner diameter is wide enough to fully support the servomotor stand and allow the connected servo wire to lead to the electrical compartment.
This supporting ring was fixed at a distance of __in from the upper edge of the centre piece. This distance was determined by the height of the servo. Knowing that the servo will be fixed at a certain position while the feeder cover is removed on a day to day basis, the shelf was set at a distance where once the feeder cover is replaced, the feeder is airtight and the cover would be able to rotate freely.
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Measurements:
Inner diameter of plexiglass ring - __in
Outer diameter of plexiglass ring - __in
Distance from upper edge of PVC piece - __in
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