A clay pipe triangle is a simple lab tool used in chemistry, biology and physics labs to support a crucible or other small container over a flame. The triangle is made of a sturdy, heat-resistant clay material and has three legs that provide a stable base.

The top of the triangle has a small, concave depression to hold the crucible or container in place. The clay material is able to withstand high temperatures and is resistant to thermal shock, making it ideal for use over a Bunsen burner or other heat source.

Clay pipe triangles are commonly used in the heating and drying of small samples or substances, and can also be used in the process of evaporating and isolating solids. They are inexpensive, reusable, and easy to clean, making them a staple tool in many lab settings.