Penholder for the Silhouette Cameo.
The "pinns" at the bottom forces the pen to be centered. This is also the reason why I made two bolts to hold the pen in the center at the top. This way the pen is as centered as possible, witch is important if you use this tool at the same time as you use the knife.
I printed this with 50% infill and with layerheight 0,1 mm. Used ABS as material.