Pen holder for Silhouette Cameo.

Silhouette Cameo pen holder custom made for various roller ball pens. Made for exact fit, no need to measure height with popsicle stick etc.
Adapter for other pens will be added as we go.
*might not be dimensionally right for your printer, due to different settings and printer model.
STL is exported with no print compensation.
Holder OD is 13.85mm (good fit on the cameo).
Screw used is M4x6.
Hole ID
uniball Vision Elite - 9.3mm.
http://www.uniball.com.sg/product.php?prod_catid=4&prod_id=5
Sakura Pigma Micron Pen - 9.5mm
http://www.jetpens.com/Sakura-Pigma-Micron-Pen-Size-005-0.2-mm-Black/pd/2042
uniball Signo DX - 10.3mm
http://www.amazon.com/Uni-ball-Signo-Um-151-Gel-Ink/dp/B004OYXBAY
*keep the pressure setting as low as possible, setting higher than 10 might break or flatten your pen tip.