diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..4a96c22
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+source .venv/bin/activate
\ No newline at end of file
diff --git a/drawing.py b/drawing.py
index f3ee2e9..ff1dcb5 100644
--- a/drawing.py
+++ b/drawing.py
@@ -7,16 +7,20 @@ from turtle import (
     pendown,
     color,
 )
+#
+resolution = 10
+scale =2
 
-forward(100)
-right(360 * 2 / 5)
-forward(100)
-right(360 * 2 / 5)
-forward(100)
-right(360 * 2 / 5)
-forward(100)
-right(360 * 2 / 5)
-forward(100)
-right(360 * 2 / 5)
+def center():
+    #penup()
+    left(90)
+    forward(resolution * 3.14159)
+    right(90)
+    #pendown()
+
+center()
+for i in range(resolution):
+    forward(360/resolution * scale)
+    right(360/resolution)
 
 input()
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..c0d8bd7
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Poetry 2.3.1 and should not be changed by hand.
+package = []
+
+[metadata]
+lock-version = "2.1"
+python-versions = ">=3.10,<4.0"
+content-hash = "7b8fc01b274bd807fb00372bbc8e138330f15ae7978ed61e180f3b17ec076725"