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diff --git a/docs/assignments/week09.md b/docs/assignments/week09.md
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--- a/docs/assignments/week09.md
+++ b/docs/assignments/week09.md
@@ -9,46 +9,6 @@
 
 
 
-* Two images side-by-side
-
-![describe what you see in this image](../images/home/sample-image.jpg){ width=300 align=left }
-![describe what you see in this image](../images/home/sample-image.jpg){ width=300 align=right }
-
-
-<p style="clear: both;"></p>
-<br/>
-
-* Image reference
-
-<figure markdown>
-  ![](../images/home/sample-image.jpg)
-  <figcaption>centered image with credits/reference</figcaption>
-</figure>
-
-* Download reference
-
-Links to reference files, PDF, booklets,
-
-??? tip "about your images.."
-
-	1. Remember to credit/reference all your images to their authors. Open source helps us create change faster together, but we all deserve recognition for what we make, design, think, develop.
-
-	2. remember to resize and optimize all your images. You will run out of space and the more data, the more servers, the more cooling systems and energy wasted :) make a choice at every image :)
-	This image is optimised in size with resolution 72 and passed through tinypng for final optimisation.
-
-
-
-
-## Overview material research outcomes
-
-_example from the documentation of [Loes Bogers](https://class.textile-academy.org/2020/loes.bogers/) TextileLab Amsterdam 2019-20_
-
-|||||
-|---|---|---|---|
-| [![](../images/home/sample-image.jpg)](../../../files/recipes/biofoam/) Biofoam | [![](../images/home/sample-image.jpg)](../../../files/recipes/biofoilextraflexible) Gelatin foil |[![](../images/home/sample-image.jpg)](../../../files/recipes/bioresin) Bioresin | [![](../images/home/sample-image.jpg)](../../../files/recipes/biosilicon) Biosilicone |
-|[![](../images/home/sample-image.jpg)](../../../files/recipes/biorubber) Starch Rubber | [![](../images/home/sample-image.jpg)](../../../files/recipes/biolino) Biolinoleum | [![](../images/home/sample-image.jpg)](../../../files/recipes/alginatenet) Alginate net | [![](../images/home/sample-image.jpg)](../../../files/recipes/alginatefoil) Alginate foil |
-| [![](../images/home/sample-image.jpg)](../../../files/recipes/alginatestring) Alginate string | [![](../images/home/sample-image.jpg)](../../../files/recipes/agarfoil) Agar foil | [![](../images/home/sample-image.jpg)](../../../files/recipes/agarcomposite) Bio composite | [![](../images/home/sample-image.jpg)](../../../files/recipes/recycledPLA)Reused PLA |
-
 
 ## Mycelium
 
@@ -106,16 +66,18 @@ Prepare this recipe [^1] by collecting the ingredients necessary, to be found in
 		* frame with net
 		* broyeur
 
-	=== recipe fishleather and fishskin bio-plastic (food waste)
 
-		* measure - measure - measure
-		* add, combine, mix..
-		* simmer, cook, boil, freeze, burn, crush...
-		* mix, smash, stack, overlay..
-		* cast, pour, press..
-		* dry, aereate, dehydrate..
-		* remove, peel, unmold..
-		* finishing touches
+## Crystals
+
+## Overview material research outcomes
+
+_example from the documentation of [Loes Bogers](https://class.textile-academy.org/2020/loes.bogers/) TextileLab Amsterdam 2019-20_
+
+|||||
+|---|---|---|---|
+| [![](../images/home/sample-image.jpg)](../../../files/recipes/biofoam/) Biofoam | [![](../images/home/sample-image.jpg)](../../../files/recipes/biofoilextraflexible) Gelatin foil |[![](../images/home/sample-image.jpg)](../../../files/recipes/bioresin) Bioresin | [![](../images/home/sample-image.jpg)](../../../files/recipes/biosilicon) Biosilicone |
+|[![](../images/home/sample-image.jpg)](../../../files/recipes/biorubber) Starch Rubber | [![](../images/home/sample-image.jpg)](../../../files/recipes/biolino) Biolinoleum | [![](../images/home/sample-image.jpg)](../../../files/recipes/alginatenet) Alginate net | [![](../images/home/sample-image.jpg)](../../../files/recipes/alginatefoil) Alginate foil |
+| [![](../images/home/sample-image.jpg)](../../../files/recipes/alginatestring) Alginate string | [![](../images/home/sample-image.jpg)](../../../files/recipes/agarfoil) Agar foil | [![](../images/home/sample-image.jpg)](../../../files/recipes/agarcomposite) Bio composite | [![](../images/home/sample-image.jpg)](../../../files/recipes/recycledPLA)Reused PLA |
 
 ## Documenting and comparing experiments