Designs

Polydactyly
"Polydactyly means extra digit(s), which can be on the thumb side of the hand
(radial or pre-axial polydactyly), on the little finger side (ulnar or post-axial
polydactyly) or centrally in the hand (least common). It affects about
1 in 1000 people." - NHS

Waardenburg Syndrome Type 1
"Waardenburg Syndrome Type 1 is a genetic condition characterized by eyes that appear widely spaced, congenital hearing loss, and patchy pigment disturbances of the iris, hair and skin." - Medlineplus

Craniopagus Conjoined Twins
"Conjoined twins are two babies who are born physically connected to each other." - Mayo Clinic

Harlequin Ichthyosis and Hypertrichosis
"Harlequin ichthyosis is a severe genetic disorder that mainly affects the skin. Infants with this condition are born with very hard, thick skin covering most of their bodies." - Medlineplus
"Hypertrichosis, also known as werewolf syndrome, is a condition characterized by excessive hair growth anywhere on a person’s body." - Healthline

Hypermelanism, Vitiligo and Albinism
"The condition wherein an unusually high amount of melanin is produced and deposited resulting in the dark coloration of the skin, hair, eyes, plumage, or pelage" - biologyonline
"Vitiligo is a long-term condition where pale white patches develop on the skin. It's caused by the lack of melanin, which is the pigment in skin." - NHS
"The term albinism typically refers to oculocutaneous albinism (OCA) — a group of inherited disorders where there is little or no production of the pigment melanin." - Mayo Clinic

Congenital Limb Deficiency (Amelia)
"Amelia is an extremely rare birth defect marked by the absence of one or more limbs. The term may be modified to indicate the number of legs or arms missing at birth, such as tetra-amelia for the absence of all four limbs." - MSD Manual

Time-lapse footage of illustration process