18" Stonehenge - Now on a display base, but still in danger of being crushed by a dwarf

This is the third revision of Stonehenge on the Thingiverse, which makes it part of a trilogy I'm working on in natural PLA which is the saddest of all plastics, I find. People weep instantly when they see it, and I don't know why.

This thing was made with Tinkercad. Edit it online https://tinkercad.com/things/8bsI8k9L7RD
I'm loving the tinkercad import feature. I've intended on adding a base to this model for at least a year but never find the time. Thanks to the magic of web modeling I was able to do this in less than a minute over lunch today.