diff --git a/pom.xml b/pom.xml
index 659b3df0..b583d3fb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -109,7 +109,7 @@
         <dependency>
             <groupId>org.json</groupId>
             <artifactId>json</artifactId>
-            <version>20190722</version>
+            <version>20231013</version>
         </dependency>
     </dependencies>
 
diff --git a/src/aya/ext/graphics/GraphicsInstructionStore.java b/src/aya/ext/graphics/GraphicsInstructionStore.java
index 5593b2e2..32cd8d06 100644
--- a/src/aya/ext/graphics/GraphicsInstructionStore.java
+++ b/src/aya/ext/graphics/GraphicsInstructionStore.java
@@ -1,6 +1,7 @@
 package aya.ext.graphics;
 
 import aya.ext.graphics.instruction.ArcGraphicsInstruction;
+import aya.ext.graphics.instruction.PointsGraphicsInstruction;
 import aya.ext.graphics.instruction.ClearGraphicsInstruction;
 import aya.ext.graphics.instruction.ClearRectGraphicsInstruction;
 import aya.ext.graphics.instruction.CloseGraphicsInstruction;
@@ -50,6 +51,7 @@ protected void init() {
 		addInstruction(new ClickEventsInstruction(canvas_table));
 		addInstruction(new CloseGraphicsInstruction(canvas_table));
 		addInstruction(new CopyRectGraphicsInstruction(canvas_table));
+		addInstruction(new PointsGraphicsInstruction(canvas_table));
 		addInstruction(new EllipseGraphicsInstruction(canvas_table));
 		addInstruction(new GetPixelsGraphicsInstruction(canvas_table));
 		addInstruction(new IsOpenGraphicsInstruction(canvas_table));
diff --git a/src/aya/ext/graphics/instruction/PointsGraphicsInstruction.java b/src/aya/ext/graphics/instruction/PointsGraphicsInstruction.java
new file mode 100644
index 00000000..df0cedf0
--- /dev/null
+++ b/src/aya/ext/graphics/instruction/PointsGraphicsInstruction.java
@@ -0,0 +1,50 @@
+package aya.ext.graphics.instruction;
+
+import aya.eval.BlockEvaluator;
+import aya.exceptions.runtime.IndexError;
+import aya.ext.graphics.Canvas;
+import aya.ext.graphics.CanvasTable;
+import aya.ext.graphics.GraphicsInstruction;
+import aya.obj.Obj;
+import aya.obj.list.List;
+import aya.obj.list.numberlist.NumberList;
+import aya.util.Casting;
+
+public class PointsGraphicsInstruction extends GraphicsInstruction {
+
+	public PointsGraphicsInstruction(CanvasTable canvas_table) {
+		super(canvas_table, "points", "LNNN");
+		_doc = "points width height canvas_id: draw a batch of points";
+	}
+	
+
+	@Override
+	protected void doCanvasCommand(Canvas cvs, BlockEvaluator blockEvaluator) {
+		final int h = _reader.popInt();
+		final int w = _reader.popInt();
+		List points = _reader.popList();
+		
+		final int half_h = h/2;
+		final int half_w = w/2;
+		
+		try {
+			for (int i = 0; i < points.length(); i++) {
+				Obj point_obj = points.getExact(i);
+				if (point_obj.isa(Obj.LIST)) {
+					NumberList point = Casting.asList(points.getExact(i)).toNumberList();
+					int x = point.get(0).toInt();
+					int y = point.get(1).toInt();
+			
+					cvs.getG2D().fillRect(x-half_w, y-half_h, w, h);	
+				}
+			}
+		} catch (IndexOutOfBoundsException e) {
+			throw new IndexError("All points must have length 2");
+		}
+
+		cvs.refresh();
+	}	
+}
+
+
+
diff --git a/src/aya/util/BlockReader.java b/src/aya/util/BlockReader.java
index 62ee0d1b..fba92008 100644
--- a/src/aya/util/BlockReader.java
+++ b/src/aya/util/BlockReader.java
@@ -4,6 +4,7 @@
 import aya.exceptions.runtime.TypeError;
 import aya.instruction.named.NamedOperator;
 import aya.obj.Obj;
+import aya.obj.list.List;
 import aya.obj.list.numberlist.NumberList;
 import aya.obj.symbol.Symbol;
 
@@ -69,4 +70,13 @@ public Symbol popSymbol() {
 			throw new TypeError(_inst, "J", o);
 		}
 	}
+
+	public List popList() {
+		final Obj o = _block.pop();
+		if (o.isa(Obj.LIST)) {
+			return Casting.asList(o);
+		} else {
+			throw new TypeError(_inst, "L", o);
+		}
+	}
 }
diff --git a/src/aya/util/VectorizedFunctions.java b/src/aya/util/VectorizedFunctions.java
index 817b21b3..8f1a65fc 100644
--- a/src/aya/util/VectorizedFunctions.java
+++ b/src/aya/util/VectorizedFunctions.java
@@ -72,8 +72,18 @@ private static List vectorizeObjList(ExecutionContext context, Operator op, Obj
 	//
 
 	private static List vectorizeListList(ExecutionContext context, Operator op, List a, List b, NumberListOp nlop) {
-		if (a.isa(NUMBERLIST) && b.isa(NUMBERLIST) && a.length() == b.length()) {
-			return new List(nlop.ll(asNumberList(a), asNumberList(b)));
+		if (a.isa(NUMBERLIST) && b.isa(NUMBERLIST)) {
+			final int a_len = a.length();
+			final int b_len = b.length();
+			if (a_len == b_len) {
+				return new List(nlop.ll(asNumberList(a), asNumberList(b)));
+			} else if (a_len == 1) {
+				return new List(nlop.nl(asNumberList(a).get(0), asNumberList(b)));
+			} else if (b_len == 1) {
+				return new List(nlop.ln(asNumberList(a), asNumberList(b).get(0)));
+			} else {
+				return vectorizeListList(context, op, a, b);
+			}
 		} else {
 			return vectorizeListList(context, op, a, b);
 		}
diff --git a/std/canvas.aya b/std/canvas.aya
index 5525871e..3539b2eb 100644
--- a/std/canvas.aya
+++ b/std/canvas.aya
@@ -61,6 +61,10 @@ def canvas::fillcircle {x y r self,
     x y r2* $ 1 self.id :{graphics.ellipse}
 }
 
+def canvas::points {points r self,
+    points r2* $ self.id :{graphics.points}
+}
+
 def canvas::set_color {color self,
     .# ::set_color {, color.r:r color.g:g color.b:b } self.id :{graphics.MG} ;
     color.r color.g color.b self.id :{graphics.set_color}