Inspired by the model by bogdi1988 (https://www.thingiverse.com/thing:5362083) I decided to revise the Mini Aftersherpa (https://github.com/PrintersForAnts/Mini-AfterSherpa). It can now be printed without supports.
The offsets are:
x_offset: -30.50
y_offset: -13.30
The author remixed this model.