diff --git a/art/lines+circles-yutaro/lines+circles.js b/art/lines+circles-yutaro/lines+circles.js
new file mode 100644
index 000000000..04f96bd8e
--- /dev/null
+++ b/art/lines+circles-yutaro/lines+circles.js
@@ -0,0 +1,57 @@
+// welcome to blot!
+
+const width = 125;
+const height = 125;
+
+setDocDimensions(width, height);
+
+const c = 3.1;
+let radius = 60;
+let divisions = 60;
+let divAngle = 2*Math.PI/divisions;
+
+function mathf(x){
+  return x*c;
+}
+
+class vec{
+  constructor(x,y){
+    this.x = x;
+    this.y = y;
+  }
+}
+
+function divPos(num){
+  let x = Math.cos(divAngle*num)*radius;
+  let y = Math.sin(divAngle*num)*radius;
+  return new vec(x,y);
+}
+
+function line(turtle,startx, starty, endx, endy){
+  turtle.jump([startx,starty]);
+  turtle.goTo([endx,endy]);
+}
+
+const testTurtle = createTurtle();
+
+for (let i = 0; i < divisions; i++) {
+    let x = i;
+    let y = mathf(x);
+    let startPos = divPos(x);
+    let endPos = divPos(y);
+    line(testTurtle,startPos.x,startPos.y,endPos.x,endPos.y);
+}
+
+
+
+testTurtle.translate(
+  [width/2, height/2], 
+  testTurtle.cc
+);
+
+testTurtle.jump(testTurtle.ct);
+testTurtle.arc(360,radius);
+
+drawTurtles([
+    testTurtle
+]);
\ No newline at end of file
diff --git a/art/lines+circles-yutaro/snapshots/s1.png b/art/lines+circles-yutaro/snapshots/s1.png
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index 000000000..15e2f2401
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diff --git a/art/lines+circles-yutaro/snapshots/s2.png b/art/lines+circles-yutaro/snapshots/s2.png
new file mode 100644
index 000000000..4a1149afd
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diff --git a/art/lines+circles-yutaro/snapshots/s3.png b/art/lines+circles-yutaro/snapshots/s3.png
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index 000000000..43ae74351
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