conductive thread, ink, fabrics

I could paint with silver impregnated paint ot create circuits, or make paints as shown in this instructables, and there are even pens, and conductive thread out there........ endless possibilities as shown by the great work of Leah Buechley who also has a great links page.

[caption id="" align="alignnone" width="250" caption="Arduino Lilypad"][/caption]

bit.fall water sculpture

Amazing falling water writing words from bit.fall from Julius Popp

fittings

Small parts has a lot of fittings, and plastic fittings galore at Value Plastics including multiple port assemblies.  Swagelock are great for brass and stainless steel applications