Glue basting acute angles can be tricky. Especially long skinny ones. There are a few things I’d like to draw your attention to. First, I miter baste all my corners; this will help you immensely!! It cuts down on bulk, which is imperative for these tiny pieces. Second, I don’t treat all acute angles the same. For slivers I generally use the tiny pieces method. My rule of thumb is: can my thumbs create the point? I think you’ll remember it…especially if you like puns! 😀 If your thumbs cannot create the point, then I use the tiny pieces method. Also, if the angle meets a straight edge, then I use the tiny pieces method. Jasper National Park block is an excellent example of a sliver.
These are the angles that help me determine which method I’ll use. 
It is also helpful to place glue on the fabric seam allowance as well. This ensures the the fabric sticks together.
Note how tight the fabric is along the edges of the template.
