Burbano Sewing samples 2 corner & slit Screen Shot 2021-03-14 at 10.08.57 PM Screen Shot 2021-03-14 at 10.08.57 PM convex curve concave curve concave curve crimping crimping crimping joining unequal length joining unequal lengthd joining unequal lengthd straight seam(bias grain) straight seam (bias grain) straight seam (bias grain) Inward corner inward corner inward corner