A paper on Jacobian-free deformation authored by S. Kira (ME, March 2022) was published in the Journal of the Society for Art Science.
Shunsuke Kira, Masanori Nakayama, Issei Fujishiro: “Jacobian-free deformation of genus-0 surfaces,” Journal of the Society for Art Science, Vol. 21, No. 3, pp. 146-156, September 30, 2022.
A pdf copy of the paper is available from here.