PRO TIP 1- Advice from Someone Who Has Made Almost Every Mistake Trying to Mosaic With Glass

 Nippers vs Scorers/Running Pliers: Both are used to cut glass (and ceramic tiles). However, the shape and size of your piece determines which one to use. Choose nippers for tiny to small pieces. Nippers work especially well for organic shapes, but you can get decent triangles, squares, and circles with practice. Scorers with Running Pliers are used for straight or wavy lines. Geometric shapes can be achieved with relative precision.