diff --git a/locenice/index.php b/locenice/index.php
index b9a2a8c..013a633 100644
--- a/locenice/index.php
+++ b/locenice/index.php
@@ -1,10 +1,3 @@
 <?php
-// Upload this whole folder, not only this file. No Node.js or database required.
-header('Content-Type: text/html; charset=utf-8');
-header('X-Content-Type-Options: nosniff');
-$file = __DIR__ . '/app.html';
-if (!is_readable($file)) {
-    http_response_code(500);
-    exit('Chybi app.html. Nahrajte celou slozku locenice.');
-}
-readfile($file);
+
+readfile(__DIR__ . '/dum_3D_slunce.html');
diff --git a/locenice/MANIFEST.json b/locenice2/MANIFEST.json
similarity index 100%
rename from locenice/MANIFEST.json
rename to locenice2/MANIFEST.json
diff --git a/locenice/README_CZ.md b/locenice2/README_CZ.md
similarity index 100%
rename from locenice/README_CZ.md
rename to locenice2/README_CZ.md
diff --git a/locenice/TEST_REPORT.json b/locenice2/TEST_REPORT.json
similarity index 100%
rename from locenice/TEST_REPORT.json
rename to locenice2/TEST_REPORT.json
diff --git a/locenice/THIRD_PARTY.txt b/locenice2/THIRD_PARTY.txt
similarity index 100%
rename from locenice/THIRD_PARTY.txt
rename to locenice2/THIRD_PARTY.txt
diff --git a/locenice/app.html b/locenice2/app.html
similarity index 100%
rename from locenice/app.html
rename to locenice2/app.html
diff --git a/locenice/assets/catalog/door0.jpg b/locenice2/assets/catalog/door0.jpg
similarity index 100%
rename from locenice/assets/catalog/door0.jpg
rename to locenice2/assets/catalog/door0.jpg
diff --git a/locenice/assets/catalog/door1.jpg b/locenice2/assets/catalog/door1.jpg
similarity index 100%
rename from locenice/assets/catalog/door1.jpg
rename to locenice2/assets/catalog/door1.jpg
diff --git a/locenice/assets/catalog/door2.jpg b/locenice2/assets/catalog/door2.jpg
similarity index 100%
rename from locenice/assets/catalog/door2.jpg
rename to locenice2/assets/catalog/door2.jpg
diff --git a/locenice/assets/catalog/door3.jpg b/locenice2/assets/catalog/door3.jpg
similarity index 100%
rename from locenice/assets/catalog/door3.jpg
rename to locenice2/assets/catalog/door3.jpg
diff --git a/locenice/assets/catalog/door4.jpg b/locenice2/assets/catalog/door4.jpg
similarity index 100%
rename from locenice/assets/catalog/door4.jpg
rename to locenice2/assets/catalog/door4.jpg
diff --git a/locenice/assets/catalog/door5.jpg b/locenice2/assets/catalog/door5.jpg
similarity index 100%
rename from locenice/assets/catalog/door5.jpg
rename to locenice2/assets/catalog/door5.jpg
diff --git a/locenice/assets/catalog/door6.jpg b/locenice2/assets/catalog/door6.jpg
similarity index 100%
rename from locenice/assets/catalog/door6.jpg
rename to locenice2/assets/catalog/door6.jpg
diff --git a/locenice/assets/catalog/door7.jpg b/locenice2/assets/catalog/door7.jpg
similarity index 100%
rename from locenice/assets/catalog/door7.jpg
rename to locenice2/assets/catalog/door7.jpg
diff --git a/locenice/assets/catalog/intsill0.jpg b/locenice2/assets/catalog/intsill0.jpg
similarity index 100%
rename from locenice/assets/catalog/intsill0.jpg
rename to locenice2/assets/catalog/intsill0.jpg
diff --git a/locenice/assets/catalog/intsill1.jpg b/locenice2/assets/catalog/intsill1.jpg
similarity index 100%
rename from locenice/assets/catalog/intsill1.jpg
rename to locenice2/assets/catalog/intsill1.jpg
diff --git a/locenice/assets/catalog/intsill2.jpg b/locenice2/assets/catalog/intsill2.jpg
similarity index 100%
rename from locenice/assets/catalog/intsill2.jpg
rename to locenice2/assets/catalog/intsill2.jpg
diff --git a/locenice/assets/catalog/lam1.jpg b/locenice2/assets/catalog/lam1.jpg
similarity index 100%
rename from locenice/assets/catalog/lam1.jpg
rename to locenice2/assets/catalog/lam1.jpg
diff --git a/locenice/assets/catalog/lam2.jpg b/locenice2/assets/catalog/lam2.jpg
similarity index 100%
rename from locenice/assets/catalog/lam2.jpg
rename to locenice2/assets/catalog/lam2.jpg
diff --git a/locenice/assets/catalog/lam3.jpg b/locenice2/assets/catalog/lam3.jpg
similarity index 100%
rename from locenice/assets/catalog/lam3.jpg
rename to locenice2/assets/catalog/lam3.jpg
diff --git a/locenice/assets/catalog/lam4.jpg b/locenice2/assets/catalog/lam4.jpg
similarity index 100%
rename from locenice/assets/catalog/lam4.jpg
rename to locenice2/assets/catalog/lam4.jpg
diff --git a/locenice/assets/catalog/lam5.jpg b/locenice2/assets/catalog/lam5.jpg
similarity index 100%
rename from locenice/assets/catalog/lam5.jpg
rename to locenice2/assets/catalog/lam5.jpg
diff --git a/locenice/assets/catalog/lam6.jpg b/locenice2/assets/catalog/lam6.jpg
similarity index 100%
rename from locenice/assets/catalog/lam6.jpg
rename to locenice2/assets/catalog/lam6.jpg
diff --git a/locenice/assets/catalog/lam7.jpg b/locenice2/assets/catalog/lam7.jpg
similarity index 100%
rename from locenice/assets/catalog/lam7.jpg
rename to locenice2/assets/catalog/lam7.jpg
diff --git a/locenice/assets/catalog/lam8.jpg b/locenice2/assets/catalog/lam8.jpg
similarity index 100%
rename from locenice/assets/catalog/lam8.jpg
rename to locenice2/assets/catalog/lam8.jpg
diff --git a/locenice/assets/catalog/lam9.jpg b/locenice2/assets/catalog/lam9.jpg
similarity index 100%
rename from locenice/assets/catalog/lam9.jpg
rename to locenice2/assets/catalog/lam9.jpg
diff --git a/locenice/assets/catalog/page12.jpg b/locenice2/assets/catalog/page12.jpg
similarity index 100%
rename from locenice/assets/catalog/page12.jpg
rename to locenice2/assets/catalog/page12.jpg
diff --git a/locenice/assets/catalog/page13.jpg b/locenice2/assets/catalog/page13.jpg
similarity index 100%
rename from locenice/assets/catalog/page13.jpg
rename to locenice2/assets/catalog/page13.jpg
diff --git a/locenice/assets/catalog/page14.jpg b/locenice2/assets/catalog/page14.jpg
similarity index 100%
rename from locenice/assets/catalog/page14.jpg
rename to locenice2/assets/catalog/page14.jpg
diff --git a/locenice/assets/catalog/page15.jpg b/locenice2/assets/catalog/page15.jpg
similarity index 100%
rename from locenice/assets/catalog/page15.jpg
rename to locenice2/assets/catalog/page15.jpg
diff --git a/locenice/assets/catalog/page16.jpg b/locenice2/assets/catalog/page16.jpg
similarity index 100%
rename from locenice/assets/catalog/page16.jpg
rename to locenice2/assets/catalog/page16.jpg
diff --git a/locenice/assets/catalog/page17.jpg b/locenice2/assets/catalog/page17.jpg
similarity index 100%
rename from locenice/assets/catalog/page17.jpg
rename to locenice2/assets/catalog/page17.jpg
diff --git a/locenice/assets/catalog/page18.jpg b/locenice2/assets/catalog/page18.jpg
similarity index 100%
rename from locenice/assets/catalog/page18.jpg
rename to locenice2/assets/catalog/page18.jpg
diff --git a/locenice/assets/catalog/page19.jpg b/locenice2/assets/catalog/page19.jpg
similarity index 100%
rename from locenice/assets/catalog/page19.jpg
rename to locenice2/assets/catalog/page19.jpg
diff --git a/locenice/assets/catalog/page20.jpg b/locenice2/assets/catalog/page20.jpg
similarity index 100%
rename from locenice/assets/catalog/page20.jpg
rename to locenice2/assets/catalog/page20.jpg
diff --git a/locenice/assets/catalog/page21.jpg b/locenice2/assets/catalog/page21.jpg
similarity index 100%
rename from locenice/assets/catalog/page21.jpg
rename to locenice2/assets/catalog/page21.jpg
diff --git a/locenice/assets/catalog/page22.jpg b/locenice2/assets/catalog/page22.jpg
similarity index 100%
rename from locenice/assets/catalog/page22.jpg
rename to locenice2/assets/catalog/page22.jpg
diff --git a/locenice/assets/catalog/page23.jpg b/locenice2/assets/catalog/page23.jpg
similarity index 100%
rename from locenice/assets/catalog/page23.jpg
rename to locenice2/assets/catalog/page23.jpg
diff --git a/locenice/assets/catalog/page24.jpg b/locenice2/assets/catalog/page24.jpg
similarity index 100%
rename from locenice/assets/catalog/page24.jpg
rename to locenice2/assets/catalog/page24.jpg
diff --git a/locenice/assets/catalog/page25.jpg b/locenice2/assets/catalog/page25.jpg
similarity index 100%
rename from locenice/assets/catalog/page25.jpg
rename to locenice2/assets/catalog/page25.jpg
diff --git a/locenice/assets/catalog/prum.jpg b/locenice2/assets/catalog/prum.jpg
similarity index 100%
rename from locenice/assets/catalog/prum.jpg
rename to locenice2/assets/catalog/prum.jpg
diff --git a/locenice/assets/catalog/requestedDoor.jpg b/locenice2/assets/catalog/requestedDoor.jpg
similarity index 100%
rename from locenice/assets/catalog/requestedDoor.jpg
rename to locenice2/assets/catalog/requestedDoor.jpg
diff --git a/locenice/assets/catalog/roof0.jpg b/locenice2/assets/catalog/roof0.jpg
similarity index 100%
rename from locenice/assets/catalog/roof0.jpg
rename to locenice2/assets/catalog/roof0.jpg
diff --git a/locenice/assets/catalog/roof1.jpg b/locenice2/assets/catalog/roof1.jpg
similarity index 100%
rename from locenice/assets/catalog/roof1.jpg
rename to locenice2/assets/catalog/roof1.jpg
diff --git a/locenice/assets/catalog/roof2.jpg b/locenice2/assets/catalog/roof2.jpg
similarity index 100%
rename from locenice/assets/catalog/roof2.jpg
rename to locenice2/assets/catalog/roof2.jpg
diff --git a/locenice/assets/catalog/roof3.jpg b/locenice2/assets/catalog/roof3.jpg
similarity index 100%
rename from locenice/assets/catalog/roof3.jpg
rename to locenice2/assets/catalog/roof3.jpg
diff --git a/locenice/assets/catalog/roof4.jpg b/locenice2/assets/catalog/roof4.jpg
similarity index 100%
rename from locenice/assets/catalog/roof4.jpg
rename to locenice2/assets/catalog/roof4.jpg
diff --git a/locenice/assets/catalog/tile1.jpg b/locenice2/assets/catalog/tile1.jpg
similarity index 100%
rename from locenice/assets/catalog/tile1.jpg
rename to locenice2/assets/catalog/tile1.jpg
diff --git a/locenice/assets/catalog/tile2.jpg b/locenice2/assets/catalog/tile2.jpg
similarity index 100%
rename from locenice/assets/catalog/tile2.jpg
rename to locenice2/assets/catalog/tile2.jpg
diff --git a/locenice/assets/catalog/tile3.jpg b/locenice2/assets/catalog/tile3.jpg
similarity index 100%
rename from locenice/assets/catalog/tile3.jpg
rename to locenice2/assets/catalog/tile3.jpg
diff --git a/locenice/assets/catalog/tile4.jpg b/locenice2/assets/catalog/tile4.jpg
similarity index 100%
rename from locenice/assets/catalog/tile4.jpg
rename to locenice2/assets/catalog/tile4.jpg
diff --git a/locenice/assets/catalog/tile5.jpg b/locenice2/assets/catalog/tile5.jpg
similarity index 100%
rename from locenice/assets/catalog/tile5.jpg
rename to locenice2/assets/catalog/tile5.jpg
diff --git a/locenice/assets/catalog/tile6.jpg b/locenice2/assets/catalog/tile6.jpg
similarity index 100%
rename from locenice/assets/catalog/tile6.jpg
rename to locenice2/assets/catalog/tile6.jpg
diff --git a/locenice/assets/catalog/tile7.jpg b/locenice2/assets/catalog/tile7.jpg
similarity index 100%
rename from locenice/assets/catalog/tile7.jpg
rename to locenice2/assets/catalog/tile7.jpg
diff --git a/locenice/assets/catalog/tile8.jpg b/locenice2/assets/catalog/tile8.jpg
similarity index 100%
rename from locenice/assets/catalog/tile8.jpg
rename to locenice2/assets/catalog/tile8.jpg
diff --git a/locenice/assets/catalog/tile9.jpg b/locenice2/assets/catalog/tile9.jpg
similarity index 100%
rename from locenice/assets/catalog/tile9.jpg
rename to locenice2/assets/catalog/tile9.jpg
diff --git a/locenice/assets/references/kitchen1.jpg b/locenice2/assets/references/kitchen1.jpg
similarity index 100%
rename from locenice/assets/references/kitchen1.jpg
rename to locenice2/assets/references/kitchen1.jpg
diff --git a/locenice/assets/references/kitchen2.jpg b/locenice2/assets/references/kitchen2.jpg
similarity index 100%
rename from locenice/assets/references/kitchen2.jpg
rename to locenice2/assets/references/kitchen2.jpg
diff --git a/locenice/assets/references/plan.jpg b/locenice2/assets/references/plan.jpg
similarity index 100%
rename from locenice/assets/references/plan.jpg
rename to locenice2/assets/references/plan.jpg
diff --git a/locenice/assets/references/survey.png b/locenice2/assets/references/survey.png
similarity index 100%
rename from locenice/assets/references/survey.png
rename to locenice2/assets/references/survey.png
diff --git a/locenice/assets/references/view1.jpg b/locenice2/assets/references/view1.jpg
similarity index 100%
rename from locenice/assets/references/view1.jpg
rename to locenice2/assets/references/view1.jpg
diff --git a/locenice/assets/references/view2.jpg b/locenice2/assets/references/view2.jpg
similarity index 100%
rename from locenice/assets/references/view2.jpg
rename to locenice2/assets/references/view2.jpg
diff --git a/locenice/assets/ui/image-1.jpg b/locenice2/assets/ui/image-1.jpg
similarity index 100%
rename from locenice/assets/ui/image-1.jpg
rename to locenice2/assets/ui/image-1.jpg
diff --git a/locenice/blender/prepare_model.py b/locenice2/blender/prepare_model.py
similarity index 92%
rename from locenice/blender/prepare_model.py
rename to locenice2/blender/prepare_model.py
index ae4ebdf..7d5f3d0 100644
--- a/locenice/blender/prepare_model.py
+++ b/locenice2/blender/prepare_model.py
@@ -8,7 +8,7 @@ import json
 import bpy
 
 ROOT=Path(__file__).resolve().parent.parent
-SOURCE=ROOT/'locenice'/'models'/'dum.glb'
+SOURCE=ROOT/'models'/'dum.glb'
 TARGET=Path(__file__).resolve().parent/'dum_locenice.blend'
 if not SOURCE.is_file():
     raise FileNotFoundError(SOURCE)
@@ -16,7 +16,7 @@ if TARGET.exists():
     raise FileExistsError(f'Rename or remove {TARGET} before running again.')
 bpy.ops.wm.read_factory_settings(use_empty=True)
 bpy.ops.import_scene.gltf(filepath=str(SOURCE))
-defaults=json.loads((ROOT/'locenice'/'data'/'catalog.json').read_text())['defaults']
+defaults=json.loads((ROOT/'data'/'catalog.json').read_text())['defaults']
 scene=bpy.context.scene
 scene.unit_settings.system='METRIC'
 scene.unit_settings.scale_length=1.0
@@ -60,6 +60,6 @@ Blender reorders glTF nodes, materials and textures. The included web manifest
 is indexed for the supplied GLB; the preparation tool rebinds stable IDs.
 A changed wall or cabinet also requires checking web collision volumes / camera presets.
 ''')
-scene['locenice_metadata_json']=json.dumps(json.loads((ROOT/'locenice'/'data'/'scene.json').read_text()),ensure_ascii=False)
+scene['locenice_metadata_json']=json.dumps(json.loads((ROOT/'data'/'scene.json').read_text()),ensure_ascii=False)
 bpy.ops.wm.save_as_mainfile(filepath=str(TARGET))
 print('Saved:',TARGET)
diff --git a/locenice/css/app.css b/locenice2/css/app.css
similarity index 100%
rename from locenice/css/app.css
rename to locenice2/css/app.css
diff --git a/locenice/css/web.css b/locenice2/css/web.css
similarity index 100%
rename from locenice/css/web.css
rename to locenice2/css/web.css
diff --git a/locenice/data/app-config.json b/locenice2/data/app-config.json
similarity index 100%
rename from locenice/data/app-config.json
rename to locenice2/data/app-config.json
diff --git a/locenice/data/assets.json b/locenice2/data/assets.json
similarity index 100%
rename from locenice/data/assets.json
rename to locenice2/data/assets.json
diff --git a/locenice/data/catalog.json b/locenice2/data/catalog.json
similarity index 100%
rename from locenice/data/catalog.json
rename to locenice2/data/catalog.json
diff --git a/locenice/data/references.json b/locenice2/data/references.json
similarity index 100%
rename from locenice/data/references.json
rename to locenice2/data/references.json
diff --git a/locenice/data/scene.json b/locenice2/data/scene.json
similarity index 100%
rename from locenice/data/scene.json
rename to locenice2/data/scene.json
diff --git a/locenice/data/site.json b/locenice2/data/site.json
similarity index 100%
rename from locenice/data/site.json
rename to locenice2/data/site.json
diff --git a/locenice2/index.php b/locenice2/index.php
new file mode 100644
index 0000000..baceffb
--- /dev/null
+++ b/locenice2/index.php
@@ -0,0 +1,10 @@
+<?php
+// Upload this whole folder, not only this file. No Node.js or database required.
+header('Content-Type: text/html; charset=utf-8');
+header('X-Content-Type-Options: nosniff');
+$file = __DIR__ . '/app.html';
+if (!is_readable($file)) {
+    http_response_code(500);
+    exit('Chybi app.html. Nahrajte celou slozku locenice2.');
+}
+readfile($file);
diff --git a/locenice/js/app.js b/locenice2/js/app.js
similarity index 100%
rename from locenice/js/app.js
rename to locenice2/js/app.js
diff --git a/locenice/js/bootstrap.js b/locenice2/js/bootstrap.js
similarity index 100%
rename from locenice/js/bootstrap.js
rename to locenice2/js/bootstrap.js
diff --git a/locenice/js/legacy-renderer.js b/locenice2/js/legacy-renderer.js
similarity index 100%
rename from locenice/js/legacy-renderer.js
rename to locenice2/js/legacy-renderer.js
diff --git a/locenice/js/legacy-shaders.js b/locenice2/js/legacy-shaders.js
similarity index 100%
rename from locenice/js/legacy-shaders.js
rename to locenice2/js/legacy-shaders.js
diff --git a/locenice/js/model-io.js b/locenice2/js/model-io.js
similarity index 100%
rename from locenice/js/model-io.js
rename to locenice2/js/model-io.js
diff --git a/locenice/js/project-panel.js b/locenice2/js/project-panel.js
similarity index 100%
rename from locenice/js/project-panel.js
rename to locenice2/js/project-panel.js
diff --git a/locenice/js/solar.js b/locenice2/js/solar.js
similarity index 100%
rename from locenice/js/solar.js
rename to locenice2/js/solar.js
diff --git a/locenice/js/three-renderer.js b/locenice2/js/three-renderer.js
similarity index 100%
rename from locenice/js/three-renderer.js
rename to locenice2/js/three-renderer.js
diff --git a/locenice/models/dum.glb b/locenice2/models/dum.glb
similarity index 100%
rename from locenice/models/dum.glb
rename to locenice2/models/dum.glb
diff --git a/locenice/tests/data_checks.mjs b/locenice2/tests/data_checks.mjs
similarity index 91%
rename from locenice/tests/data_checks.mjs
rename to locenice2/tests/data_checks.mjs
index b1ae2d8..956a308 100644
--- a/locenice/tests/data_checks.mjs
+++ b/locenice2/tests/data_checks.mjs
@@ -1,8 +1,8 @@
 import fs from 'node:fs';
 import assert from 'node:assert/strict';
-import {parseGLB,encodeGLB} from '../locenice/js/model-io.js';
-import {solarPosition} from '../locenice/js/solar.js';
-const root=new URL('../locenice/',import.meta.url);
+import {parseGLB,encodeGLB} from '../js/model-io.js';
+import {solarPosition} from '../js/solar.js';
+const root=new URL('../',import.meta.url);
 const bytes=new Uint8Array(fs.readFileSync(new URL('models/dum.glb',root)));
 const {gltf,binary}=parseGLB(bytes);
 const catalog=JSON.parse(fs.readFileSync(new URL('data/catalog.json',root),'utf8'));
diff --git a/locenice/tools/prepare_export.py b/locenice2/tools/prepare_export.py
similarity index 98%
rename from locenice/tools/prepare_export.py
rename to locenice2/tools/prepare_export.py
index e39605f..98e4c89 100644
--- a/locenice/tools/prepare_export.py
+++ b/locenice2/tools/prepare_export.py
@@ -102,7 +102,7 @@ def rebind(source,edited,output,metadata=None):
 if __name__=='__main__':
     parser=argparse.ArgumentParser(description=__doc__)
     parser.add_argument('edited',type=Path);parser.add_argument('--out',type=Path,default=Path('prepared'))
-    parser.add_argument('--source',type=Path,default=ROOT/'locenice'/'models'/'dum.glb')
+    parser.add_argument('--source',type=Path,default=ROOT/'models'/'dum.glb')
     args=parser.parse_args()
     print(rebind(args.source,args.edited,args.out))
     print('Back up the website first. Replace models/dum.glb AND data/scene.json together.')
diff --git a/locenice/tools/vendor_three.py b/locenice2/tools/vendor_three.py
similarity index 93%
rename from locenice/tools/vendor_three.py
rename to locenice2/tools/vendor_three.py
index b39dd4f..7b8e677 100644
--- a/locenice/tools/vendor_three.py
+++ b/locenice2/tools/vendor_three.py
@@ -1,12 +1,12 @@
 """Optional: download pinned Three.js r180 locally, on a computer with internet.
 python tools/vendor_three.py
-Then upload the generated locenice/vendor folder AND data/app-config.json.
+Then upload the generated locenice2/vendor folder AND data/app-config.json.
 Does not upload anything. No credentials or server-side installer required.
 """
 from pathlib import Path
 from urllib.request import Request, urlopen
 import json, re, hashlib
-ROOT=Path(__file__).resolve().parent.parent/'locenice'
+ROOT=Path(__file__).resolve().parent.parent
 BASE='https://raw.githubusercontent.com/mrdoob/three.js/r180/'
 VENDOR=ROOT/'vendor'/'three-r180'
 seen=set()