diff --git a/levels/test_procedural_portal.tscn b/levels/test_procedural_portal.tscn
index 486f558..ae003c4 100644
--- a/levels/test_procedural_portal.tscn
+++ b/levels/test_procedural_portal.tscn
@@ -1,19 +1,24 @@
-[gd_scene load_steps=7 format=4 uid="uid://c0ieh1abu1xne"]
+[gd_scene load_steps=9 format=4 uid="uid://c0ieh1abu1xne"]
 
+[ext_resource type="Texture2D" uid="uid://c8nq55glypfp8" path="res://addons/kenney_prototype_tools/textures/light/texture_07.png" id="1_dn1le"]
 [ext_resource type="Script" uid="uid://d2bvvjsibau8c" path="res://addons/simple-portal-system/scripts/portal.gd" id="1_ksg6r"]
 [ext_resource type="PackedScene" uid="uid://d1dtxvwk86ple" path="res://procedural_mesh_maker.tscn" id="2_4vena"]
 
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_dn1le"]
+albedo_texture = ExtResource("1_dn1le")
+
 [sub_resource type="ArrayMesh" id="ArrayMesh_4vena"]
 _surfaces = [{
-"aabb": AABB(-0.75, 0, 0, 1.5, 2.25, 1e-05),
-"attribute_data": PackedByteArray("AAAAAAAAAAAAAIA/AAAAAAAAAAAAAIA/AACAPwAAgD8="),
+"aabb": AABB(-1, -1.3, -0.1, 2, 2.6, 0.1),
+"attribute_data": PackedByteArray("AAAAAAAAAAAAAIA/AAAAAAAAAAAAAIA/AACAPwAAgD/NzMw9zczMPWZmZj/NzMw9zczMPWZmZj9mZmY/ZmZmPw=="),
 "format": 34359742487,
-"index_count": 6,
-"index_data": PackedByteArray("AAABAAIAAQADAAIA"),
+"index_count": 30,
+"index_data": PackedByteArray("AAABAAQABAABAAUAAQADAAUABQADAAcAAwACAAcABwACAAYAAgAAAAYABgAAAAQABAAFAAYABgAFAAcA"),
+"material": SubResource("StandardMaterial3D_dn1le"),
 "primitive": 3,
 "uv_scale": Vector4(0, 0, 0, 0),
-"vertex_count": 4,
-"vertex_data": PackedByteArray("AABAvwAAEEAAAAAAAABAPwAAEEAAAAAAAABAvwAAAAAAAAAAAABAPwAAAAAAAAAA/3//f/9/AID/f/9//38AgP9//3//fwCA/3//f/9/AIA=")
+"vertex_count": 8,
+"vertex_data": PackedByteArray("AACAv2Zmpj8AAAAAAACAP2Zmpj8AAAAAAACAv2Zmpr8AAAAAAACAP2Zmpr8AAAAAZmZmv5mZmT/NzMy9ZmZmP5mZmT/NzMy9ZmZmv5mZmb/NzMy9ZmZmP5mZmb/NzMy9/3//f/9/AID/f/9//38AgP9//3//fwCA/3//f/9/AID/f/9//38AgP9//3//fwCA/3//f/9/AID/f/9//38AgA==")
 }]
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_82kw5"]
@@ -57,9 +62,8 @@ mesh = SubResource("ArrayMesh_4vena")
 script = ExtResource("1_ksg6r")
 
 [node name="ProceduralMeshMaker" parent="." node_paths=PackedStringArray("portal") instance=ExtResource("2_4vena")]
-height = 2.25
-width = 1.5
-indent = null
+height = 2.6
+width = 2.0
 portal = NodePath("../MeshInstance3D")
 
 [node name="OmniLight3D" type="OmniLight3D" parent="."]
diff --git a/procedural_mesh_maker.gd b/procedural_mesh_maker.gd
index 2bc8130..f78eaf3 100644
--- a/procedural_mesh_maker.gd
+++ b/procedural_mesh_maker.gd
@@ -4,7 +4,8 @@ extends Node
 @export_range(0.1, 10, 0.01) var height: float = 2.0
 @export_range(0.1, 10, 0.01) var width: float = 1.0
 ## Player camera's NEAR clip distance
-@export_range(0, 0.1, 0.001) var indent: float = 0.1
+@export_range(0, 0.2, 0.001) var indent: float = 0.1
+
 @export var portal: Portal
 
 func _add_inspector_buttons() -> Array:
@@ -49,18 +50,62 @@ func generate_portal_mesh() -> void:
 	var normals = PackedVector3Array()
 	var indices = PackedInt32Array()
 	
-	var TOP_LEFT = Vector3(-width / 2, height, 0)
-	var TOP_RIGHT = Vector3(width / 2, height, 0)
-	var BOTTOM_LEFT = Vector3(-width / 2, 0, 0)
-	var BOTTOM_RIGHT = Vector3(width / 2, 0, 0)
+	# Just to save some chars
+	var w = width / 2
+	var h = height / 2
+	var i = indent 
 	
-	verts.append_array([TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT])
-	uvs.append_array([Vector2(0, 0), Vector2(1, 0), Vector2(0, 1), Vector2(1, 1)])
-	normals.append_array([Vector3.BACK, Vector3.BACK, Vector3.BACK, Vector3.BACK])
+	# Outside rect
+	var TOP_LEFT = Vector3(-w, h, 0)
+	var TOP_RIGHT = Vector3(w, h, 0)
+	var BOTTOM_LEFT = Vector3(-w, -h, 0)
+	var BOTTOM_RIGHT = Vector3(w, -h, 0)
+	# Inside rect, indented
+	var INDENT_TL = TOP_LEFT + Vector3(indent, -indent, -indent)
+	var INDENT_TR = TOP_RIGHT + Vector3(-indent, -indent, -indent)
+	var INDENT_BL = BOTTOM_LEFT + Vector3(indent, indent, -indent)
+	var INDENT_BR = BOTTOM_RIGHT + Vector3(-indent, indent, -indent)
 	
-	indices.append_array([0, 1, 2]) # top-left triangle
-	indices.append_array([1, 3, 2]) # bottom-right triangle
+	verts.append_array([
+		TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT,
+		INDENT_TL, INDENT_TR, INDENT_BL, INDENT_BR
+		])
 	
+	uvs.append_array([
+		Vector2(0, 0), Vector2(1, 0), Vector2(0, 1), Vector2(1, 1), # Outside UVs
+		Vector2(i, i), Vector2(1-i, i), Vector2(i, 1-i), Vector2(1-i, 1-i) # Indented UVs
+		])
+	
+	# We are going for a flat-surface look here. Portals should be unshaded anyways.
+	normals.append_array([
+		Vector3.BACK, Vector3.BACK, Vector3.BACK, Vector3.BACK,
+		Vector3.BACK, Vector3.BACK, Vector3.BACK, Vector3.BACK
+		])
+	
+	# 0 ----------- 1
+	# | \         / |
+	# |  4-------5  |
+	# |  |       |  |
+	# |  |       |  |
+	# |  6-------7  |
+	# | /         \ |
+	# 2 ----------- 3
+	
+	# Triangles are clockwise!
+	
+	indices.append_array([
+		0, 1, 4,
+		4, 1, 5, # Top section done
+		1, 3, 5,
+		5, 3, 7, # right section done
+		3, 2, 7,
+		7, 2, 6, # bottom section done
+		2, 0, 6,
+		6, 0, 4, # left section done
+		
+		4, 5, 6,
+		6, 5, 7 # middle done
+		]) 
 	
 	surface_array[Mesh.ARRAY_VERTEX] = verts
 	surface_array[Mesh.ARRAY_TEX_UV] = uvs