This is probably my favorite hangboard.
The holds include
If you are going to be using this for training, be sure you use enough walls, infill, and top and bottom layers.
I like using the infill multiplier feature in cura for extra strength.
I do not recommend using PLA for prolonged use. It is not a load bearing material, can become brittle and break while you are using it.
The author hasn't provided the model origin yet.