diff --git a/assets/tests.json b/assets/tests.json
index a8857d6..b4c3e77 100644
--- a/assets/tests.json
+++ b/assets/tests.json
@@ -13,6 +13,13 @@
     "width": 200,
     "height": 200
   },
+  {
+    "name": "Pensize Test",
+    "code": "fd 40 rt 90 color 556699 pensize 5 fd 40 color 334433 pensize 1 lt -90 fd 40 pensize 5 color 556699 rt 90 fd 40",
+    "author": "https://github.com/toyz",
+    "width": 200,
+    "height": 200
+  },
   {
     "name": "Coding Train Logo",
     "code": "rt -2 fd 44 rt 70 fd 15 rt 35 fd 17 rt 76 fd 47 rt 92 fd 63 rt -94 fd 55 rt -120 fd 5 rt 26 fd 40 rt 30 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -23 fd 10 rt -20 fd 5 pu rt 142 fd 38 pd rt 85 fd 38 rt 94 fd 30 rt 106 fd 10 rt -10 fd 10 rt -15 fd 13 rt 88 fd 26 pu rt 85 fd 34 pd rt -80 fd 5 rt 70 fd 7 rt 110 fd 7 pu rt -15 fd 36 pd rt -170 fd 8 rt 95 fd 7 rt 95 fd 7 pu rt 22 fd 51 pd rt -118 fd 4 lt 40 fd 4 rt 25 fd 4 rt 25 fd 4 rt 25 fd 4 lt 30 fd 4 lt 25 fd 4 rt 25 fd 4 rt 25 fd 5 lt 25 fd 5 rt 60 fd 8 lt 60 fd 20 lt 117 fd 22 pu lt 63 fd 20 pd lt 115 fd 14 rt 90 fd 3 lt 60 fd 3 rt 25 fd 3 rt 25 fd 3 rt 25 fd 3 rt 25 fd 3 rt 25 fd 3 rt 140 fd 6 lt 90 fd 5 lt 90 fd 20 lt 90 fd 5 lt 90 fd 20 lt 180 fd 12 lt 50 fd 2 rt 25 fd 3 rt 25 fd 3 rt 25 fd 3 rt 25 fd 3 rt 25 fd 3 pu lt 24 fd 32 pd lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 lt 35 fd 5 pu rt 97 fd 45 pd rt 110 fd 19 pu lt 90 fd 5 pd lt 90 fd 19 pu rt 90 fd 5 pd rt 90 fd 19 pu lt 90 fd 6 pd lt 90 fd 19 pu rt 25 fd 7 pd lt 15 fd 25 lt 100 fd 26 lt 95 fd 25 rt 180 fd 25 lt 90 fd 3 rt 85 fd 8 rt 100 fd 35 rt 110 fd 8 pu rt 20 fd 95 pd rt 100 fd 15 pu rt 66 fd 6 pd rt 75 fd 16 pu lt 110 fd 20 pd lt 115 fd 15 pu rt 50 fd 6 pd rt 90 fd 17 pu lt 115 fd 20 pd lt 115 fd 17 pu rt 72 fd 6 pd rt 70 fd 17 pu lt 124 fd 23 pd lt 118 fd 17 pu rt 72 fd 6 pd rt 70 fd 15 pu lt 158 fd 95 pd lt 30 fd 5 lt 20 fd 5 lt 20 fd 5 lt 20 fd 10 lt 20 fd 10 lt 20 fd 10 pu lt 146 fd 45 pd lt 110 fd 10 lt 20 fd 5 lt 15 fd 5 lt 15 fd 5 lt 15 fd 10 lt 15 fd 10 lt 15 fd 15 pu lt 150 fd 60 pd lt 120 fd 10 lt 20 fd 12 lt 15 fd 10 lt 15 fd 5 lt 10 fd 12 lt 17 fd 12 lt 15 fd 20 pu lt 145 fd 80 pd lt 120 fd 15 lt 20 fd 15 lt 15 fd 15 lt 15 fd 5 lt 10 fd 12 lt 17 fd 15 lt 15 fd 27 rt 40 fd 5 lt 25 fd 10 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 180 fd 5 lt 60 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 180 fd 5 lt 60 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 180 fd 5 lt 60 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 25 fd 5 lt 180 fd 5 lt 50 fd 5 lt 25 fd 3 lt 50 fd 5 lt 20 fd 5 lt 30 fd 5 lt 30 fd 3 lt 180 fd 6 lt 40 fd 6 lt 40 fd 5",
diff --git a/command.js b/command.js
index 6683cd8..dcc40a1 100644
--- a/command.js
+++ b/command.js
@@ -77,7 +77,7 @@ class CommandExecutor {
    * @memberof CommandExecutor
    */
   constructor(command, values, callback) {
-    this.callback = callback
+    this.callback = callback;
     this.command = command;
     this.values = [];
 
@@ -96,9 +96,7 @@ class CommandExecutor {
           this.values.push(value);
           break;
         case COMMAND_TYPES.COMMANDS:
-          this.values.push(
-            new Parser(value, this.callback).parse()
-          );
+          this.values.push(new Parser(value, this.callback).parse());
           break;
         case COMMAND_TYPES.PARAMETERS: // Example
           this.values.push(value.split(" "));
@@ -144,7 +142,7 @@ class CommandLookUp {
 
   /**
    * Creates an instance of CommandLookUp.
-   * @memberof CommandLookUp
+   * @memberokUp
    */
   constructor() {
     this.commands = [];
diff --git a/commandList.js b/commandList.js
index f76837f..186be84 100644
--- a/commandList.js
+++ b/commandList.js
@@ -44,6 +44,16 @@ commandLookUp.add(
   })
 );
 
+commandLookUp.add(
+  new Command(
+    "pensize",
+    [new CommandArg("size", COMMAND_TYPES.FLOAT)],
+    size => {
+      turtle.strokeWeight = size;
+    }
+  )
+);
+
 commandLookUp.add(
   new Command(
     "setxy",
@@ -78,13 +88,13 @@ commandLookUp.add(
 
 commandLookUp.add(
   new Command("radians", [], () => {
-    angleMode(DEGREES);
+    angleMode(RADIANS);
   })
 );
 
 commandLookUp.add(
   new Command("degrees", [], () => {
-    angleMode(RADIANS);
+    angleMode(DEGREES);
   })
 );
 
diff --git a/sketch.js b/sketch.js
index cc7562a..18a74ea 100644
--- a/sketch.js
+++ b/sketch.js
@@ -100,6 +100,7 @@ function createTestDataView(cases) {
       turtle.dir = 0;
       turtle.x = width / 2;
       turtle.y = height / 2;
+      editor.value(""); // Empty this on "-1" select
 
       return;
     }
diff --git a/turtle.js b/turtle.js
index 31d43f4..9238c94 100644
--- a/turtle.js
+++ b/turtle.js
@@ -7,6 +7,7 @@ class Turtle {
 
     this.dir = angle;
     this.strokeColor = 255;
+    this.strokeWeight = 1;
   }
 
   reset() {
@@ -17,10 +18,9 @@ class Turtle {
   }
 
   forward(amt) {
-    amt = parseInt(amt);
     if (this.pen) {
       stroke(this.strokeColor);
-      strokeWeight(1);
+      strokeWeight(this.strokeWeight);
       line(0, 0, amt, 0);
     }
     translate(amt, 0);