diff --git a/demo.py b/demo.py
index 35a4a58e1fe6b46e23c5675e55704b78029a683a..0829b33e888570b123f05714cbb50fae7c47afc3 100644
--- a/demo.py
+++ b/demo.py
@@ -1,18 +1,5 @@
 import falcon
-# import json
-# from ar_sandbox import Sandbox
-# import sys
-# import cv2
-# import numpy as np
-# import numpy.ma as npma
-# from esrimap.esrimap import EsriAscii
-# from PIL import Image
-# import requests
-# import time
-# import math
-
 from ar_sandbox import Sandbox
-# from ar_sandbox.wrapper import sandbox_wrapper as sw
 import sys
 import cv2
 import numpy as np
@@ -24,17 +11,13 @@ import time
 import math
 import json
 
-
-
 NORMALIZATION_BETWEEN = (0.8, 1.2)
 LO_NORM = NORMALIZATION_BETWEEN[0]
 HI_NORM = NORMALIZATION_BETWEEN[1]
-
 SHOW_LINES = True
 USE_HARD_COLORS = False
 LINE_COLORS = [255, 255, 255]
 
-
 COLORS_FULL_SPECTRUM_SOFT = [
     (0.2, (0, 0, 255)),
     (.25, (0, 255, 255)),
@@ -117,19 +100,16 @@ class FakeSandbox:
     def start(self, *args):
         cap = cv2.VideoCapture(0)
         while cap.isOpened():
-            # im = Image.open("test_aru.png")
             ret, fr = cap.read()
             frame = cv2.resize(fr, (588, 432))
             mat = np.loadtxt("depth")
 
-            # mat = cv2.cvtColor(fr, cv2.COLOR_BGR2GRAY)
             mat2 = frame
             if self.on_frame is not None:
                 frame = self.on_frame(mat, mat2)
 
             cv2.imshow("frame", frame)
 
-            # time.sleep(self.refresh // 1000)
             k = cv2.waitKey(self.refresh)
             if k == 27:
                 break
@@ -148,16 +128,7 @@ def get_color(depth, hard_colors=False) -> np.ndarray:
         A 3 channel BGR matrix of the same size as depth_matrix.
     """
     depth_matrix = depth.copy()
-    # if hard_colors:
-    #     pts = POINTS_HARD
-    #     r = COLOR_R_HARD
-    #     g = COLOR_G_HARD
-    #     b = COLOR_B_HARD
-    # else:
-    #     pts = POINTS
-    #     r = COLOR_R
-    #     g = COLOR_G
-    #     b = COLOR_B
+
     if hard_colors:
         pts = COLORMAP_HARD[0]
         r = COLORMAP_HARD[1]
@@ -170,11 +141,8 @@ def get_color(depth, hard_colors=False) -> np.ndarray:
         b = COLORMAP[3]
 
     r_val = np.interp(depth_matrix, pts, r)
-    # print(r_val)
     g_val = np.interp(depth_matrix, pts, g)
-    # print(g_val)
     b_val = np.interp(depth_matrix, pts, b)
-    # print(b_val)
     res = np.dstack((b_val, g_val, r_val)).astype(np.uint8)
     return res
 
@@ -189,8 +157,6 @@ def display_level(frame):
 
 
 def send_request(body, url="http://localhost:8000/map"):
-    # with open("mapoutput.asc", "w") as fp:
-    #     json.dump(fp, body)
     try:
         requests.post(url, json=body)
     except Exception as e:
@@ -305,7 +271,7 @@ def make_esri_and_send(depth, color, *args):
     api_content_esri = esri_map.to_ascii()
     api_content_aruco = build_arucos_json(detected)
     # tags = build_arucos_json(detected)
-    # print(tags)
+
     # with open("aruco_tags.json", "w") as fp:
     #     json.dump(tags, fp)
 
@@ -327,11 +293,9 @@ def get_center(corner):
 # TODO def detect_aruco(a, b=None, c=None): return
 
 def detect_aruco(frame,
-                 #aruco_dict=cv2.aruco.Dictionary_get(cv2.aruco.DICT_4X4_50),
-                 #aruco_params=cv2.aruco.DetectorParameters_create()):
                  aruco_dict=cv2.aruco.getPredefinedDictionary(cv2.aruco.DICT_4X4_50),
                  aruco_params=cv2.aruco.DetectorParameters()):
-    output = frame.copy()
+    # output = frame.copy()
     
     #(corners, ids, rejected) = cv2.aruco.detectMarkers(frame, aruco_dict, parameters=aruco_params)
     detector = cv2.aruco.ArucoDetector(aruco_dict, aruco_params)
@@ -344,14 +308,13 @@ def detect_aruco(frame,
             ctr = get_center(corners[c])
             top_left = corners[c][0][0]
             centers.append(get_center(corners[c]))
-            # print("Corner is", corners[c], "Center is", get_center(corners[c]))
             (w1, w2) = [-1, -1]
             (v1, v2) = top_left - ctr
             rotation_in_degree = math.degrees(math.atan2(w2 * v1 - w1 * v2, w1 * v1 + w2 * v2))
             rotations.append(round(rotation_in_degree, 2))
         except Exception as e:
             print(e)
-    return output, (corners, ids, rejected), centers, rotations
+    return None, (corners, ids, rejected), centers, rotations
 
 
 def save_matrices(depth, frame, *args):
@@ -406,6 +369,7 @@ class ApiEsri:
 
 class ApiAruco:
     def on_get(self, req, resp):
+        # resp.media = json.dumps(api_content_aruco)
         resp.media = api_content_aruco
 
 
@@ -425,20 +389,13 @@ def main():
         COLORMAP_HARD = create_colormap(create_hard_colors(cmap))
 
     SHOW_LINES = False
-    #if arguments.lines:
-    #    SHOW_LINES = True
-
     USE_HARD_COLORS = False
-    #if arguments.hard:
-    #    USE_HARD_COLORS = True
 
     # colours = [(.2, (0,0,128)), (.25, (68, 87, 227)), (.3, (236, 255, 89)),(.4, (67, 138, 65)),(.6, (128,128,128)), (.8, (255, 255, 255))]
     # colours = [(.2, (128,0,0)),(.3, (255,0,0)),(.4, (255,255,255)), (.5, (0,0,255)), (.6,(0, 0, 128))]
     # COLORMAP = create_colormap(color_array=colours)
     # COLORMAP_HARD = create_colormap(create_hard_colors(colours))
 
-    # USE_HARD_COLORS=True
-
     LINE_COLORS = [0,0,0]
     box = Sandbox(refresh=1000)
     box.verbosity = 5
@@ -446,20 +403,18 @@ def main():
     box.on_frame = make_esri_and_send
     box.start(box)
 
-
+# ---- MAIN ----
 
 from wsgiref.simple_server import make_server
-
-
 from threading import Thread
 
 app = falcon.App()
 app.add_route('/sandbox', ApiEsri())
 app.add_route('/aruco', ApiAruco())
 
-
 class ApiThread(Thread):
     def run(self):
+        print("run")
         with make_server('', 8000, app) as httpd:
             print('Serving on port 8000...')
 
diff --git a/sandbox_conf.yaml b/sandbox_conf.yaml
index e2c06e3181c52fe40ef454f71ec887ff655cdd1d..a59661043208415b2ddfe2ac04d13cd7c0494fa2 100644
--- a/sandbox_conf.yaml
+++ b/sandbox_conf.yaml
@@ -3,8 +3,8 @@ AdjustingMatrix:
   angle: 0.5
   width: 3
   height: 2
-  matrix: [1.0, 0, 50, -0, 1, 50]
-    #matrix: [0.999696374, 0.0246404037, 0, -0.0246404037, 0.999696374, 0]
+  matrix: [1.0, 0, 50, -0, 1, 70]
+    #matrix: [1.0, 0, 50, -0, 1, 50]
     # [?, rotation, ?, ?, ?, ?]
     #angle: 0
     #width: 3
diff --git a/sandbox_conf_backup.yaml b/sandbox_conf_backup.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..4a32850888b9e5c1bd6451e6af0b746fc86de00d
--- /dev/null
+++ b/sandbox_conf_backup.yaml
@@ -0,0 +1,27 @@
+AdjustingMatrix:
+  angle: 1.4119340386036046
+  width: 3
+  height: 2
+  matrix: [0.999696374, 0.0246404037, 0, -0.0246404037, 0.999696374, 0]
+DistanceTopSandbox:
+  distance: 1
+CroppingMask:
+  x: 52
+  y: 19
+  width: 588 # 568
+  height: 432
+BeamerResolution:
+  width: 1280
+  height: 1024
+BeamerPosition:
+  x: 0.0536931753
+  y: 0.260815978
+  z: -0.325273067
+FrameProcessProfil:
+  contrast: 1.0900000000000001
+  brightness: 14
+  minDistance: 15
+  cannyEdgeThreshold: 184
+  houghAccThreshold: 35
+  minRadius: 0
+  maxRadius: 0