Update file week07.md

docs/assignments/week07.md

@@ -144,12 +144,16 @@ I printed on a organza, but the filament didn't bond so well to the fabric, firs
  [Gcode](../images/week07/Shape-Box_44m_0.20mm_210C_PLA_ENDER3.gcode)
 
 
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+## **TOOLS**
+
+[^1]: [Rhinceros 3D]
+[^2]: [Grasshopper]
+[^3]: [Prusa Slicer]
+[^4]: [Cura]
+[^4]: [Ultimaker 2+]
+[^5]: [Prusa i3 MK3s]
+[^6]: [Ender]
+[^7]: [Sketchfeb]