Fig. 1From: Efficacy evaluation of three-dimensional printing assisted osteotomy guide plate in accurate osteotomy of adolescent cubitus varus deformityDesign of osteotomy angle and planes. a Measurements of carrying angle and cubitus varus angle. Line 1, longitudinal axis of the ulna; line 2, longitudinal axis of the humerus; line 3, the elbow joint line. b Determination of osteotomy angle. Line ab, the elbow joint line; line cd, parallel line of elbow joint line. c Simulation of osteotomy angle. d Simulated reduction of bone ends after osteotomyBack to article page