Best Answer: Well, if you're referring to the little wooden or plastic triangle thingies that come along with a pre-stretched artist's canvas, they are wedges that are meant to be hammered into the corners from the back to tighten up the canvas if it ever gets loose on the stretcher frame.Good luck!...âº. Source(s):hey are called stretcher keys. If your canvas loses tension you can put them in to make the surface more taught. A loose canvas can cause cracking or flaking in your paintings so its always best to keep the keys in case this happens.
Visual Thinking Topics. Analytical Think. Analytical thinking is a critical component of visual thinking that gives one the ability to solve problems quickly and effectively. It involves a methodical step-by-step approach to thinking that allows you to break down complex problems into single and manageable components.
Critical thinking. (Redirected from Narrow-minded) Critical thinking is the objective analysis of facts to form a judgment. The subject is complex, and there are several different definitions which generally include the rational, skeptical, unbiased analysis or evaluation of factual evidence.