SHILLONG: Ramakrishna Mission Vivekananda Cultural Centre, Quinton Road, will otganise a six-day workshop, from June 20 to 25 June on Origami (paper folding), Suibokuga (ink painting) and Hankou (stamp making). The workshop will be conducted by international visual artist Reiko Shimizu, who also specializes in art therapy, sculpture and curative education.