Does anyone have a pattern for something like this?

I cant seem to find a knitting pattern for this .the only thing that sems to show up is about making the stiches form a t-shap not the actual pattern.also if i wanted to adjust the length or add a border what would i have to alter if... show more I cant seem to find a knitting pattern for this .the only thing that sems to show up is about making the stiches form a t-shap not the actual pattern.also if i wanted to adjust the length or add a border what would i have to alter if any?
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