Square bases with rounded corners

[Gabbi]

Lacking I better place, I'll ask this here (excuse me if I should have posted elsewhere).

I have a couple of the following 25mm square bases. They're made of black plastic, their "section" is a bit thicker than GW ones, and they have slightly rounded corners. I believe I got them with models by Black Orc. Anyway, I would love to get more. Anyone knows who makes them and where I can order some?

[Malebolgia]

How many do you need? I have loads

[Gabbi]

I'll send you a pm, thanks.