equal-sided

Pod flattened, composed of several equal-sided separable roundish joints connected in the middle.

The ground plan is an equal-sided triangle, with a door opening on one side, as shown.

I suggested that three great towers or flagstaffs be erected in the grounds at the corners of an equal-sided triangle.

They may say yes, in which case reply yes, and more than equal-legged, they are equal-sided.