Suction cup attachable pipette holder

This is a pipette holder that can be attached to a smooth surface via suction cups. It is a remix of the ['single pipette holder' from the Derisi lab](http://derisilab.ucsf.edu/index.php?3D=92), which has just been shortened and given a suction-cup compatible backing.

It should work with any 45 mm suction cups - this model is using 'Aroma Trees Professional Strength Suction Cups 45mm'.

It is still a work in progress, as it's not an ideal shape for all pipette brands. However it is remarkab