This design is part of a set of Tealight Holders derived from mathematical surfaces and lattices.
The Tealights will print without supports, but you may want to ensure your machine is well calibrated for bridging and that you are getting good layer adhesion.
See here for video: https://youtu.be/ApTyuPGk7EQ
Here are links to other Tealight Holders in the set:
Derived from Fischer-Koch S TPMS: https://social.thangs.com/m/98554 Derived from the Schoen Gyroid TPMS: https://social.thangs.com/m/98555 Derived from the Schwarz P TPMS: https://social.thangs.com/m/98556 Derived from the Schwarz D TPMS: https://social.thangs.com/m/98557 Derived from the Kelvin lattice: https://social.thangs.com/m/98558 Derived from the truncated cube lattice: https://social.thangs.com/m/98559 Derived from the octet lattice: https://social.thangs.com/m/98560 Derived from the truncated octahedron lattice: https://social.thangs.com/m/98561