diff --git a/etching/budget.csv b/etching/budget.csv
index a862803..0713309 100644
--- a/etching/budget.csv
+++ b/etching/budget.csv
@@ -15,3 +15,4 @@ Canister, Canister to put old FeCl3 (can kill bacteria because of the copper).,
 Soda (NaOH), Etch away plastic cracked by the UV light., 2 €
 Some 3D printed parts, We can most likely print them at Ångström., 0 €
 Developing trays, Developing PCBs and clean them in there., 25 €
+Copper wire, To make vias. , ~ 5 €