Hips and shoulders snap into place with ball joints after printing.
Each leg prints as one piece with ankle and knee in place.
Have to print legs with top of thigh touching build plate and the foot held up by support.
The arms are there as funny place holders until I make real ones.
Printed on an Ultimaker 2+
Blog post link: http://3dprinting.illustratingmath.com/2018/12/12/action-figure/