diff --git a/pr/entdecker/GNUmakefile b/pr/entdecker/GNUmakefile
index 7c5e6f4..9190843 100644
--- a/pr/entdecker/GNUmakefile
+++ b/pr/entdecker/GNUmakefile
@@ -3,9 +3,11 @@ include GNUmakevars
 
 
 all: \
-	test-impulstriebwerk.ppm \
+	test-antigrav.ppm \
 	test-aussenstromgravojet.ppm \
 	test-entdecker.ppm \
+	test-impulstriebwerk.ppm \
+	test-kombiblock.ppm \
 
 
 
@@ -15,9 +17,11 @@ all: \
 %.pov: make%
 	$< > $@
 
+test-antigrav.ppm: test-antigrav.pov antigrav.pov
+test-aussenstromgravojet.ppm: test-aussenstromgravojet.pov aussenstromgravojet.pov
 test-entdecker.ppm: test-entdecker.pov entdecker.pov
 test-impulstriebwerk.ppm: test-impulstriebwerk.pov impulstriebwerk.pov
-test-aussenstromgravojet.ppm: test-aussenstromgravojet.pov aussenstromgravojet.pov
+test-kombiblock.ppm: test-kombiblock.pov kombiblock.pov
 
 %.gif: %.ppm
 	ppmquant 256 $< | ppmtogif > $@
diff --git a/pr/entdecker/antigrav.pov b/pr/entdecker/antigrav.pov
new file mode 100644
index 0000000..350c77f
--- /dev/null
+++ b/pr/entdecker/antigrav.pov
@@ -0,0 +1,52 @@
+#declare antigrav =
+    union {
+	blob {
+	    threshold 0.5625
+	    sphere {
+		<0, 0, 0>, 1, strength 1
+		scale <50, 40, 10>
+		translate <0, 40, 20>
+	    }
+	    sphere {
+		<0, 0, 0>, 1, strength 1
+		scale <50, 80, 10>
+		translate <0, 40, 10>
+	    }
+	    sphere {
+		<0, 0, 0>, 1, strength 1
+		scale <50, 100, 10>
+		translate <10, 50,  0>
+	    }
+	    sphere {
+		<0, 0, 0>, 1, strength 1
+		scale <50, 80, 10>
+		translate <0, 40, -10>
+	    }
+	    sphere {
+		<0, 0, 0>, 1, strength 1
+		scale <50, 40, 10>
+		translate <0, 40, -20>
+	    }
+	    sphere {
+		<0, 0, 0>, 1, strength 1
+		scale <50, 10, 50>
+		translate <0, 40,  0>
+		texture { pigment { color White }}
+	    }
+	    texture { pigment { color White }}
+	}
+	difference {
+	    box {
+		<40, 0, -30>
+		<0, 100, 30>
+	    }
+	    cone {
+		<0, 0, -30.1>, 1
+		<0, 0,  30.1>, 1
+		scale <40, 100, 1>
+		translate <40, 100, 0>
+	    }
+	    texture { pigment { color Blue }}
+	}
+    }
+
diff --git a/pr/entdecker/aussenstromgravojet.pov b/pr/entdecker/aussenstromgravojet.pov
index 9b1cc62..68455b0 100644
--- a/pr/entdecker/aussenstromgravojet.pov
+++ b/pr/entdecker/aussenstromgravojet.pov
@@ -1,4 +1,5 @@
-#declare extra = 2;
+#include "ynkelonium_texture.pov"
+
 #declare finne1 = 
     bicubic_patch {
 	type 1
@@ -51,6 +52,16 @@
 	    //texture { pigment { color Yellow }}
 	}
 	object {finne}
+	intersection {
+	    sphere {
+		<0, 0, 0> 900
+		translate <-730, -500, 0>
+	    }
+	    box {
+		<-70, 0, -30>
+		< 20, 100,  30>
+	    }
+	}
 	texture { Ynkelonium_Texture }
     }
     
diff --git a/pr/entdecker/impulstriebwerk.pov b/pr/entdecker/impulstriebwerk.pov
index 4853ab3..3fb9290 100644
--- a/pr/entdecker/impulstriebwerk.pov
+++ b/pr/entdecker/impulstriebwerk.pov
@@ -1,10 +1,22 @@
 #declare extra = 2;
 #declare impulstriebwerk = 
     difference {
-	cone {
-	    <35, 0, 0>, 35
-	    <35, 100, 0>, 35
-	    texture { pigment { color Blue }}
+	union {
+	    intersection {
+		sphere {
+		    <0, 0, 0> 900
+		    translate <-670, -500, 0>
+		}
+		box {
+		    < 80,   0, -40>
+		    <  0, 100,  40>
+		}
+	    }
+	    cone {
+		<35, 0, 0>, 35
+		<35, 100, 0>, 35
+		texture { pigment { color Blue }}
+	    }
 	}
 	cone {
 	    <0, -extra, 0>, extra
@@ -29,9 +41,10 @@
 	}
 	#ifdef (Debug)
 	box {
-	    <0, 0, 0>
+	    <-10, 0, 0>
 	    <70, 100, 70>
 	    texture { pigment { color Red }}
 	}
 	#end
+	texture { Ynkelonium_Texture }
     }
diff --git a/pr/entdecker/kombiblock.pov b/pr/entdecker/kombiblock.pov
new file mode 100644
index 0000000..04cc4f0
--- /dev/null
+++ b/pr/entdecker/kombiblock.pov
@@ -0,0 +1,22 @@
+#include "aussenstromgravojet.pov"
+#include "antigrav.pov"
+#include "impulstriebwerk.pov"
+#declare kombiblock_oben = 
+    union {
+	object {
+	    aussenstromgravojet
+	    translate <730, 0, 0>
+	    rotate <0, -5, 0>
+	}
+	
+	object {
+	    antigrav
+	    translate <670, 0, 0>
+	}
+	
+	object {
+	    impulstriebwerk
+	    translate <670, 0, 0>
+	    rotate <0, +6, 0>
+	}
+    }
diff --git a/pr/entdecker/test-antigrav.pov b/pr/entdecker/test-antigrav.pov
new file mode 100644
index 0000000..602350f
--- /dev/null
+++ b/pr/entdecker/test-antigrav.pov
@@ -0,0 +1,125 @@
+#include "colors.inc"
+#include "shapes.inc"
+#include "textures.inc"
+#include "metals.inc"
+#include "stones.inc"
+
+global_settings {
+        assumed_gamma 1.0
+        ambient_light rgb<0.5, 0.5, 0.5>
+}
+//background { color rgb<0.2, 0.4, 0.8>  }
+light_source {
+    <2000, 2000, 2000>
+    color White
+}
+
+#declare Camera_Ortho_z = 1;
+//#declare Camera_Ortho_x = 1;
+//#declare Camera_Triebwerk = 1;
+
+#ifdef (Camera_Triebwerk)
+camera {
+        location <165, 270, 100>
+        look_at <35, 70, 0>
+	angle 30
+}
+#end
+
+#ifdef (Camera_Ortho_z)
+camera {
+        location <35, 50, 135>
+        look_at <35, 50, 0>
+	orthographic
+}
+#end
+
+#ifdef (Camera_Ortho_x)
+camera {
+        location <135, 50, 0>
+        look_at <0, 50, 0>
+	orthographic
+}
+#end
+
+#ifdef (Camera_Totale)
+camera {
+        location <2650, 1800, 0>
+        look_at <0, 800, 0>
+}
+#end
+
+#include "antigrav.pov"
+
+object {
+    antigrav
+    translate <0, 0, 0>
+}
+
+plane {
+    <0, 0, 1>, 0
+    pigment {
+	checker color White*0.7, color White*0.5
+    }
+    scale 10
+    translate <0, 0, -100>
+}
+
+plane {
+    <0, 1, 0>, 0
+    pigment {
+	checker color White*0.7, color White*0.5
+    }
+    scale 10
+    translate <0, 0, 0>
+}
+
+plane {
+    <1, 0, 0>, 0
+    pigment {
+	checker color White*0.7, color White*0.5
+    }
+    scale 10
+    translate <-100, 0, 0>
+}
+
+union {
+    cone {
+	<0, 0,  30>, 1
+	<0, 0, -30>, 1
+    }
+    cone {
+	<0, 0, -30>, 1
+	<77.5, 0, -30>, 1
+    }
+    cone {
+	<77.5, 0, -30>, 1
+	<77.5, 0, +30>, 1
+    }
+    cone {
+	<77.5, 0, +30>, 1
+	< 0.0, 0, +30>, 1
+    }
+
+    cone {
+	<0, 0,   30>, 1
+	<0, 100, 30>, 1
+    }
+    cone {
+	<0, 0, -30>, 1
+	<0, 100,  -30>, 1
+    }
+    cone {
+	<77.5, 0, -30>, 1
+	<0, 100,  -30>, 1
+    }
+    cone {
+	<77.5, 0, +30>, 1
+	<0, 100, 30>, 1
+    }
+    cone {
+	<0, 100, -30>, 1
+	<0, 100, 30>, 1
+    }
+    texture { pigment { color Red }}
+}
diff --git a/pr/entdecker/test-aussenstromgravojet.pov b/pr/entdecker/test-aussenstromgravojet.pov
index d1014cb..5efbcc3 100644
--- a/pr/entdecker/test-aussenstromgravojet.pov
+++ b/pr/entdecker/test-aussenstromgravojet.pov
@@ -66,10 +66,3 @@ plane {
     translate <0, 0, 0>
 }
 
-sphere {
-    <0, 0, 0> 900
-    texture { Ynkelonium_Texture }
-    //texture { pigment { color Red }}
-    translate <-730, -500, 0>
-}
-
diff --git a/pr/entdecker/test-impulstriebwerk.pov b/pr/entdecker/test-impulstriebwerk.pov
index 8187973..ae987f0 100644
--- a/pr/entdecker/test-impulstriebwerk.pov
+++ b/pr/entdecker/test-impulstriebwerk.pov
@@ -3,6 +3,7 @@
 #include "textures.inc"
 #include "metals.inc"
 #include "stones.inc"
+#include "ynkelonium_texture.pov"
 
 global_settings {
         assumed_gamma 1.0
diff --git a/pr/entdecker/test-kombiblock.pov b/pr/entdecker/test-kombiblock.pov
new file mode 100644
index 0000000..dadebdd
--- /dev/null
+++ b/pr/entdecker/test-kombiblock.pov
@@ -0,0 +1,85 @@
+#include "colors.inc"
+#include "shapes.inc"
+#include "textures.inc"
+#include "metals.inc"
+#include "stones.inc"
+
+global_settings {
+        assumed_gamma 1.0
+        ambient_light rgb<0.5, 0.5, 0.5>
+}
+//background { color rgb<0.2, 0.4, 0.8>  }
+light_source {
+    <2000, 2000, 2000>
+    color White
+}
+
+//#declare Camera_Ortho_z = 1;
+//#declare Camera_Ortho_x = 1;
+#declare Camera_Triebwerk = 1;
+
+#ifdef (Camera_Triebwerk)
+camera {
+        location <1100, 400, 300>
+        look_at <700,  30, 0>
+	angle 30
+}
+#end
+
+#ifdef (Camera_Ortho_z)
+camera {
+        location <700, 50, 135>
+        look_at <700, 50, 0>
+	orthographic
+}
+#end
+
+#ifdef (Camera_Ortho_x)
+camera {
+        location <700, 50, 0>
+        look_at <670, 50, 0>
+	orthographic
+}
+#end
+
+#ifdef (Camera_Totale)
+camera {
+        location <2650, 1800, 0>
+        look_at <0, 800, 0>
+}
+#end
+
+#include "kombiblock.pov"
+
+object {
+    kombiblock_oben
+    translate <0, 0, 0>
+}
+
+plane {
+    <0, 0, 1>, 0
+    pigment {
+	checker color White*0.7, color White*0.5
+    }
+    scale 10
+    translate <0, 0, -200>
+}
+
+plane {
+    <0, 1, 0>, 0
+    pigment {
+	checker color White*0.7, color White*0.5
+    }
+    scale 10
+    translate <0, 0, 0>
+}
+
+plane {
+    <1, 0, 0>, 0
+    pigment {
+	checker color White*0.7, color White*0.5
+    }
+    scale 10
+    translate <600, 0, 0>
+}
+