Glass is used for a assortment of purposes, both domestic and industrial, because it is versatile and flexible. Furthermore, it might be decorated within ways; some techniques include cutting, engraving, gilding, and enameling. Below is usually a better description of possible decorations on glass.
1. Adding glass to glass
It is on the list of oldest strategies to glass decoration and there are various this approach.
- Combed threads: Ancient Egyptians, and later glassmakers in Rome, the center East, Venice, Spain, and England, used this process on small core formed vessels. Threads of hot glass are would round the body with the piece and dragged across the surface to get a wavy form. Then this piece is marvered.
- Trailed threads: Initially, the process is similar to combed threads method described above. However the difference is the fact following your glass thread is trailed on the surface, the piece is reheated without marvering. Romans, Venetians, and English used this method.
2. Painting on the surface
- Enameling: The shades on this method are permanently fused on the object by re-firing it after color is applied.
- Cold-painting: This process is related to enameling, but there is however no re-firing. The shades are oil or lacquer based so that they not one of them additional heating to be on top. However, the drawback is the fact that decoration might be damaged easily. Thus, this approach is commonly used on substantial projects that will not match the muffle kiln, or for pieces too fragile for re-firing.
- Gilding: Gold is utilized as paint, powder, or foil on the surface.
3. Incising the symptoms.
- Cutting: A Rotating wheel, lathe, or hand tools are widely-used to cut glass.
- Engraving: A sharply pointed tool or perhaps a rotating wheel is used to cut or scratch the surface.
- Etching, or acid engraving: Hydrofluoric acid is applied to the top of the glass to make a frosted surface. Areas that won’t be helped by acid is covered with acid-resistant substances for instance wax or varnish for protection.
- Sandblasting: Object is first engrossed in a protective mask, simply other locations which will be decorated are left unprotected. Then, the entire piece is subjected to blasts of sand or powdered iron which can be projected coming from a special gun. This results in a frosted look.
Another note towards third method: thicker glass can sustain deeper cuts, so that Ravenscroft’s invention of lead glass was critical in the growth and development of increasingly more extravagant methods of cutting and engraving.