Step one:
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First draw two diagonal lines and connect them with arcs in the middle, a bit like a triangle.
Step 2:
There are two vertical lines below, also connected by arcs.
Step Three:
Underneath the upper arc, draw wavy lines as decoration.
Step 4:
Then draw diagonal lines on it, extending to the top.
Step 5:
Then draw a "human"-shaped entrance below, paying attention to the two layers of lines.
Step 6:
On the outside of the tent, draw two diagonal lines and a small square as things to fix the tent.
Step 7:
Add various patterns you like to the circus tent.
Step 8:
Finally, paint it with a nice color, and the circus tent is complete.