Digital oil painting, also known as coloring painting, refers to a technique where digital tools are used to simulate the appearance and texture of traditional oil painting. Artists use specialized software and digital brushes to create artworks that mimic the look of oil paintings. These digital artworks can be created on a computer or tablet, offering artists more flexibility and control over the creative process.

Frameless oil painting typically refers to oil paintings that are stretched and mounted on a frame but do not have an external frame surrounding them. Instead, the edges of the canvas are usually painted or left plain, allowing the artwork to be displayed without the need for a traditional frame.

Combining these two concepts, a digital oil painting or coloring painting could be created digitally and then printed onto canvas to create a frameless oil painting. This allows artists to enjoy the look and feel of traditional oil paintings while using digital tools to create and manipulate their artwork.

Overall, digital oil painting offers artists a modern and versatile approach to creating oil-like artworks, while frameless presentation adds a contemporary touch to the traditional medium.