Paint bottle shaker for Vallejo Model Color and Model Air bottles

A simple 3D-printable paint bottle holder for Vallejo Model Color and Model Air (possibly Game Color and others) 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 the photo. Once the blade