I have found a simple replacement for almost any circuit, including crystals as batteries, motors, electric generators/magnetic generators. etc, I have also found that constructs/wires used as shapes can cause certain effects.
Wire alone can be used in any circuit to replace almost all parts minus a lightbulb.
With enough phantom circuits you can also build a "processor."
David Pomerleau -- Free Energy Coils
A pyramid/triangle shape can be used similarly to a transistor, or a rectangular piece of semi-conductor or slightly resistive metal, also, as a resistor, I doubt the transistive qualities, but it is possible if you can calculate the breakdown voltage.
I believe the secret lies in harmonics/pythagorian theorem.
How to make paper transistor