This adapter was designed to allow use of Cricut pens (Shown Below) with the Silhouette Cameo 3. It was reversed designed by comparing the Cricut pen and the Silhouette Cameo 3 Pens (the short little fat pens that come in a 24 pack).
-Using the settings below it should print just fine.
-Open the door to the printer and put a fan in front of the opening, blowing into the opening.
-Make sure to dehydrate your PLA before using it, this helps immensely.
InfillDensity 2mm, Infill Overlap 60%