This is one of my favorites. I have had it for ages. I could have pushed it harder to develop it but I really just enjoyed watching it do its thing.
I have used sacrifice branches a few times to thicken things up.
I will not try to increase ramification.
From about 2 years ago.
Beginning of the month
Some trunk close ups
It has hollowed itself out over the past few years. This was originally a large cut site that I drilled a depression into to hold water and rot wood.