Tips In this section you will find tips about PET crafts and higienization of PET bottles. Tutorial - How to make a square box Garrafas Lixadas - Criando arte com garrafas PET, uma tesoura e uma lixa <<[not translated yet] Porta-tampinhas de garrafas PET <<[not translated yet] Mini-shredders - How to make it <<[NEW TIP (april/2011)] Cutting short ribbons and short narrow strips without a shredder <<[NEW TIP (july/2011)] Eiffel Tower replica - Making of <<[NEW TIP (october/2011)]