Paint bottle shaker for craft store acrylic paint bottles

A simple 3D-printable paint bottle holder for Craft Store acrylic paint bottle (fits Ceramcoat, Folk Art, Apple Barrel and similar sizes) bottles. It attaches with a small clamp (also 3D-printable) to a jigsaw blade using two 4-40 screws and nuts. I know, some people like their paints stirred as opposed to shaken, oh well. Although the holder provides a snug fit, the rubber band on the photo is for 'insurance'. The small recess in the clamp part is for the jigsaw blade to slip into, as seen on t