Summary

smoothed vase. credit is here.

https://www.myminifactory.com/object/3d-print-woman-body-optimised-for-vase-mode-84682

instructions verbatim from there:

Highly optimised version to be printed easily and faster in vase mode!

Recommended settings with 0.4 mm nozzle:

CURA: Special Modes -> Spiralize Outer Contour
S3D: Layer -> Single outline (Vase Mode)
Slic3r: Print setting -> Spiral vase

NO SUPPORT!

50% size ( 30 minute):
Layer height: = 0.10 - 0.11 mm
Line width/Extrusion Width: 0.55*
Speed: 30 mm/sec or slower! (20 mm/sec Wall)
Minimum layer time: 3s
Temperature: +5C
Fan: 75%**

100% size (90 minute):
Layer height: 0.12 - 0.13 mm
Line width/Extrusion Width: 0.65*
Speed: 40 mm/sec or slower! (25 mm/sec Wall)
Minimum layer time: 6s
Temperature: +10 C°
Fan: 75%**

200% size (230 minute):
Layer height: 0.16 - 0.17 mm
Line width/Extrusion Width: 0.8*
Speed: 50 mm/sec or slower! (30 mm/sec Wall)
Minimum layer time: 10s
Temperature: +15 C°
Fan: 75%**

*Yes, it is possible to change the width of the line, up to 0.8 mm even with a nozzle from 0.4 mm
**Only for PLA and for better interlayer adhesion, but if the overhang are wrong, increased to 100 as well. (PETG 100%, ABS 0%)

Optimisations:

Head cut at a greater angle for better overhang
Slightly lower shoulders for better overhang
Reduced pit above the clavicle
Adding venetian dimples
Most proportioned body
Increased definition between the legs and the buttocks
Fixed the hole between legs