They cast bronze rings to hold the poles for the four corners of the bronze grating.

为铜网的四角铸四个环子，作为穿杠的用处。

In 1884, still twenty years before Rodin started producing his large-scale thinkers, he produced the very first small-scale bronze cast of the figure, for a private collector.

1884年，在罗丹开始制作他的大型思想者雕像的20年前，他为一位私人收藏家制作了第一个小型青铜雕像。

Rodin would select one of the plaster casts for exhibition, and buyers would then order a bronze cast or stone carving, which would then be made by his team.

罗丹会选择一个石膏模型进行展览，然后买家会订购一个青铜铸件或石雕，然后由他的团队制作。