Choose the dome size and center point
Mark the base circle on the ground
Build the first layer as a wide ring
Make each higher layer slightly smaller than the one below
Curve the sides inward as you go up
Keep the shape symmetrical on all sides
Use a reference circle or template for accuracy
Fill in the top with the smallest ring or a single block
Replace any uneven blocks to smooth the curve
Add windows, entrance, or details if needed
Mirror the same shape on the opposite side if building a full sphere
Check the dome from multiple angles and adjust the outline as needed