Silhouette Cameo 3 Auto blade – The Silhouette Auto Blade is available for the CAMEO 3. With the Auto Blade, you don’t have to manually adjust your ratchet setting! Simply let your machine do all the work for you. Silhouette Studio will give you recommended Cut Settings, and you can adjust them in the software as you’d like. Then, when you send your design to your Silhouette, your machine will automatically adjust your AutoBlade to the blade setting you chose in the software. Sit back and watch your machine work its magic. Compatile with CAMEO 3 only.