This innovative diamond painting ruler offers four different scale sizes specifically for round and square diamond canvases, perfectly fitting most mainstream diamond painting sizes on the market. The ruler boasts vibrant, glossy colors and can match the grid lines of diamond painting. It also supports name customization, transforming the tool itself into a creative calling card showcasing your personal style. You can use a ruler or calipers to measure the distance in millimeters from the starting point of diamond 1 to the ending point of diamond 50 to determine what size ruler you need.

Made from high-quality PLA material, it offers high safety, possesses a certain degree of hardness, and is resistant to bending, making it comfortable to use and gentle on the hands. Its smooth and wear-resistant surface ensures long-term use, making it a reliable and helpful tool.

It combines precision, efficiency, and personalization. With it, you can precisely align large diamond paintings, easily calibrating horizontal and vertical lines with a diamond painting ruler, eliminating the hassle of crooked lines. It also significantly improves efficiency and speed, making your creative process easier and more enjoyable.

Perfect as a birthday gift, Christmas gift, or a surprise to commemorate a creation anniversary for diamond painting lovers and DIY lovers. It's not only for everyday use but also a symbol of your identity, making each creation a ritualistic experience and making diamond painting a more professional, relaxed, and personal hobby.