16x20 and 18x24 common size are very affordable at most art supply stores but if Now that you have a completed frame we need to stretch the canvas over it.
DIY Canvas Picture Frame by Bunny Baubles Blog 1 Diy Canvas Frame, Canvas Picture Frames. Read it Make an oversized frame for a fraction of the price!.
This easy DIY tutorial will teach you how to frame a canvas for cheap, making a huge piece of $22 art look like it's worth much more!.
A float mount, the most difficult to build, is sometimes used in canvas framing to Something that you might see more frequently on larger pieces of canvas art is.
The inner frame, or structure, of every canvas I create is made out of 1×2 wood, and quarter-round trim. Miter Box and Saw Miter Saw and Wood.
However, you can easily frame an artist canvas yourself using wood lattice Painting Your Wood Lattice to Make a Canvas Frame | Source.