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 Let's practice using raymarching and SDFs! You may work with a partner or even two for this one.
 
+# Name
+
+Yuqi Zhang, got help from Dongying Liu, Wenqing Wang
+
+# Link
+https://www.shadertoy.com/view/st3fWs
+
+
 # Setup 
 
 Create a [Shadertoy account](https://www.shadertoy.com/). Either fork this shadertoy, or create a new shadertoy and copy the code from the [Mushroom Puzzle](https://www.shadertoy.com/view/sstSz2).