Ultimate Tumbler Ruler Blue Chalk Paint then put it on your

then put it on your tumbler only to have all of your work come out crooked or slanted

layered it perfectly

this ruler has you covered

This one is larger to accept markers or brushes

we have received requests for a smaller cradle to fit them

Ultimate Tumbler Ruler Blue Chalk Paint then put it on yourTake your crafting to the next level with the Ultimate Tumbler Ruler! This innovative 3D printed tool is designed with a unique contoured shape to fit snugly against the side of stainless steel tumblers. Whether you need perfectly straight vertical lines for your designs or a safe and steady guide for cutting vinyl decals, this ruler has you covered. Its open back design ensures your fingers stay protected while you work, making it a must have for