Compare a very similar pair of bamboo-inspired stools in the Lu Ming Shi Collection, illustrated in Grace Wu Bruce, Living With Ming - The Lu Ming Shi Collection, Philippe De Backer, 2000, pp. 78-79, cat. no. 13.
See, also, a similar single stool in the collection of the Nelson-Atkins Museum, Kansas City, Missouri, illustrated in Laurence Sickman, Chinese Classic Furniture: A Lecture Given by Laurence Sickman on the Occasion of the Third Presentation of the Hills Gold Medal, London, The Oriental Ceramics Society, 1978, p. 16. Another similar single stool is illustrated in Nicholas Grindley's March 1999 Catalogue, no. 9.
A very similar, but slightly larger stool, in the collection of Messrs. Robert and William Drummond, is illustrated in Gustav Ecke, Chinese Domestic Furniture, Rutland and Tokyo, 1962, p. 97, fig. 77.
For further reading on this subject, refer Ronald W. Longsdorf, "Chinese Bamboo Furniture, Its History and Influence on Hardwood Furniture Design," Orientations, January 1994, pp. 76-83.