Learnt to model this ring, using Autodesk 123D Design, in a 3D modelling workshop in library@orchard in Singapore in Nov 2014. My buddy, David alerted me to this 3DP program in the library. This is part of my 3DP journey.

CraftBot

Yes

0.1mm

5%

Slicer: CraftWare from CraftUnique.

Speed mm/s
Print: 30
1st layer: 20
Travel: 20

For further slicer settings, please refer to pictures.