A test system for testing a capacitive touch sensor is provided. Users in the public may remotely access and run a computer design program on a remote host system where they may select and manipulate product parts for designated products, in order to create a new design for planned or existing products. The carbon nanotubes may in individual form or in the form of aggregates having a macromorpology resembling the shape of a cotton candy, bird nest, combed yarn or open net. The kneeler is configured for use alongside a bathtub.