Rose from a napkin

So, let's start with the list of materials we need. We need: Petard. I use corsairs No. 4, since they are not as expensive and rare as No. 6, they are smaller, but it is quite enough for our needs. Energoflex with a diameter of 35 mm and a wall thickness of 6 mm. Energoflex is popularly referred to as "pipe insulation". Read More