diff --git a/grk/project/models/cube.obj b/grk/project/models/cube.obj
new file mode 100644
index 0000000..4eb693e
--- /dev/null
+++ b/grk/project/models/cube.obj
@@ -0,0 +1,40 @@
+# Blender v2.90.0 OBJ File: ''
+# www.blender.org
+mtllib cube.mtl
+o Cube
+v -10.000000 -10.000000 10.000000
+v -10.000000 10.000000 10.000000
+v -10.000000 -10.000000 -10.000000
+v -10.000000 10.000000 -10.000000
+v 10.000000 -10.000000 10.000000
+v 10.000000 10.000000 10.000000
+v 10.000000 -10.000000 -10.000000
+v 10.000000 10.000000 -10.000000
+vt 0.375000 0.000000
+vt 0.625000 0.000000
+vt 0.625000 0.250000
+vt 0.375000 0.250000
+vt 0.625000 0.500000
+vt 0.375000 0.500000
+vt 0.625000 0.750000
+vt 0.375000 0.750000
+vt 0.625000 1.000000
+vt 0.375000 1.000000
+vt 0.125000 0.500000
+vt 0.125000 0.750000
+vt 0.875000 0.500000
+vt 0.875000 0.750000
+vn -1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 0.0000 1.0000
+vn 0.0000 -1.0000 0.0000
+vn 0.0000 1.0000 0.0000
+usemtl _PBR
+s 1
+f 1/1/1 2/2/1 4/3/1 3/4/1
+f 3/4/2 4/3/2 8/5/2 7/6/2
+f 7/6/3 8/5/3 6/7/3 5/8/3
+f 5/8/4 6/7/4 2/9/4 1/10/4
+f 3/11/5 7/6/5 5/8/5 1/12/5
+f 8/5/6 4/13/6 2/14/6 6/7/6
diff --git a/grk/project/textures/skybox/bkg2_back6.png b/grk/project/textures/skybox/bkg2_back6.png
new file mode 100644
index 0000000..b685b78
Binary files /dev/null and b/grk/project/textures/skybox/bkg2_back6.png differ
diff --git a/grk/project/textures/skybox/bkg2_bottom4.png b/grk/project/textures/skybox/bkg2_bottom4.png
new file mode 100644
index 0000000..728a4ae
Binary files /dev/null and b/grk/project/textures/skybox/bkg2_bottom4.png differ
diff --git a/grk/project/textures/skybox/bkg2_front5.png b/grk/project/textures/skybox/bkg2_front5.png
new file mode 100644
index 0000000..9a2e256
Binary files /dev/null and b/grk/project/textures/skybox/bkg2_front5.png differ
diff --git a/grk/project/textures/skybox/bkg2_left2.png b/grk/project/textures/skybox/bkg2_left2.png
new file mode 100644
index 0000000..7508dd4
Binary files /dev/null and b/grk/project/textures/skybox/bkg2_left2.png differ
diff --git a/grk/project/textures/skybox/bkg2_right1.png b/grk/project/textures/skybox/bkg2_right1.png
new file mode 100644
index 0000000..18f9057
Binary files /dev/null and b/grk/project/textures/skybox/bkg2_right1.png differ
diff --git a/grk/project/textures/skybox/bkg2_top3.png b/grk/project/textures/skybox/bkg2_top3.png
new file mode 100644
index 0000000..410750b
Binary files /dev/null and b/grk/project/textures/skybox/bkg2_top3.png differ
diff --git a/grk/project/textures/skybox/space_bk.png b/grk/project/textures/skybox/space_bk.png
new file mode 100644
index 0000000..8366b78
Binary files /dev/null and b/grk/project/textures/skybox/space_bk.png differ
diff --git a/grk/project/textures/skybox/space_dn.png b/grk/project/textures/skybox/space_dn.png
new file mode 100644
index 0000000..4191f53
Binary files /dev/null and b/grk/project/textures/skybox/space_dn.png differ
diff --git a/grk/project/textures/skybox/space_ft.png b/grk/project/textures/skybox/space_ft.png
new file mode 100644
index 0000000..e7b65cb
Binary files /dev/null and b/grk/project/textures/skybox/space_ft.png differ
diff --git a/grk/project/textures/skybox/space_lf.png b/grk/project/textures/skybox/space_lf.png
new file mode 100644
index 0000000..7a67e73
Binary files /dev/null and b/grk/project/textures/skybox/space_lf.png differ
diff --git a/grk/project/textures/skybox/space_rt.png b/grk/project/textures/skybox/space_rt.png
new file mode 100644
index 0000000..5aba731
Binary files /dev/null and b/grk/project/textures/skybox/space_rt.png differ
diff --git a/grk/project/textures/skybox/space_up.png b/grk/project/textures/skybox/space_up.png
new file mode 100644
index 0000000..61626da
Binary files /dev/null and b/grk/project/textures/skybox/space_up.png differ