For this simple process, you will need the following:
A silent, comfortable, safe, clean and undisturbed space and time of 45 minutes.
A Shree Yantra placed in a thaali/ vessel. You may use a 3D Meru, a plate yantra or a laminated Paper yantra
Around 50-100 Gms of red kumkum powder in a bowl.
A small hand towel/ tissue paper to clean your hands
Offerings in the form of a small ghee lamp/oil lamp/ wax tea light candle, seasonal flowers, incense sticks with an incense holder, and freshly prepared food/ fruit/ eatable for prasad. Rest one may offer anything as one feels inspired.