Could magnetic pendulums be combined with calligraphy? Yes, I think they can, and might produce very interesting results.
Magnetic Pendulum Calligraphy (Idea)
MSc Thesis
My Masters These entitled “SuperDARN Measurements of Double-Peaked Velocity Spectra” analyzed the radar backscatter signatures of the SuperDARN HF radar network. It was written under the supervision of Dr. G. Sofko at ISAS, University of Saskatchewan, Saskatoon, Canada.