This is a large, adjustable display stand intended for heavier model kits- specifically, GUNPLA at 1/100 scale or larger. The basic structure is loosely based on that of Bandai's action base 1. The included adapter can accept 5mm octagonal posts. Included secondary adapters include a 5mm Post, a 3mm Post, and a 3mm Port. The base includes a bin for accessories. The top joint is a modified version of the joints in this model: https://www.thingiverse.com/thing:2702736/files