Although the model consists of five tentacles only four are usable with the first tentacle forming part of the base support.

The nominal diameter of the tentacles is 12 mm as this will accomodate the smallest standard ring size and some smaller less common sizes (C, D and E); sub 14.1 mm (dia).

Rings Size Guide (No affiliation purely for information only, other sources are available).

Print Details

Filament: PLA+ Green

Layer Quality: 0.15 mm

Infill Density: 10% (for greater robustness increase the density).

Infil Pattern: Tri Hexagon

Plate Adhesion: Skirt

No supports

Print Time: ~4hrs with these settings.

Size: 86 (W) x 85.5 (D) x 109.9 (H) mm

Weight: ~32g