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content/articles/w17_apl.md

@@ -117,7 +117,7 @@ Electronics Suppliers: Key components like the Raspberry Pi and camera module fr
 ### Other Materials
 | Component | Quantity | Cost per Unit (USD) | Total Cost (USD) | Source |
 | --- | --- | --- | --- | --- |
-| 20mm x 20mm Sigma Profile | 1 meter | $20 | $20 | [Robolink](https://www.robolinkmarket.com/20x20-sigma-profil-kanal-6-1-metre) |
+| 20mm x 20mm Sigma Profile | 4 meters | $20 | $20 | [Robolink](https://www.robolinkmarket.com/20x20-sigma-profil-kanal-6-1-metre) |
 | Plexiglass Sheets | 1 sheet | $10 | $10 | [Pleksi](https://pleksimalzeme.com/pleksi-levhalar/renkli-pleksi-levha-200-300cm) |
 | Screws and Nuts | 1 pack | $5 | $5 | [Robolink](https://www.robolinkmarket.com/m3x8-imbus-vida-somun-ve-pul-seti-10lu-paket) |
 | Connecting Wires and Cables | 1 pack | $5 | $5 | [Robolink](https://www.robolinkmarket.com/ara?q=20awg%20kablo |