I have made this handle for the wacom intuos pro (small version) i like to have the tablet in my lap or in my hand but found it a little flimsy to hold on to. therfore i created this handle. it has a penholder in the handle. and if you want one on both sides you can just reverse it in the slizer. Its a pretty tight fit so a touch of sanding might be required. - printing at at least 20% infill will work great. - i have used support on the piece, but no support in the pen hole. its not nessesary since the build up is conical and will support it self. also the support in the hole was hell to clean up when i used it there. - i printed it with a prusa i3 mk3, slized it in simlify3d. used a raft and support.
it might not be perfect, but its free. so enjoy while wacom takes this idea makes an official one of their own.