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3D Scanning and Printing
3D Scanning and Printing
Surface Dirt and dust was removed using dry cleaning methods such as soft brushes and a museum vacuum on low suction with a net guard covering the nozzle.
This was followed by wet cleaning the surface of the pediment with Tri-Ammonium Citrate 2% in distilled water as it was the most affective in removing the engrained dirt and did not affect the state of the oil gilding. Acetone was used to treat the water gilding.
Surface Dirt and dust was removed using dry cleaning methods such as soft brushes and a museum vacuum on low suction with a net guard covering the nozzle.
This was followed by wet cleaning the surface of the pediment with Tri-Ammonium Citrate 2% in distilled water as it was the most affective in removing the engrained dirt and did not affect the state of the oil gilding. Acetone was used to treat the water gilding.
Once the gesso had dried it was then sanded down to make it smooth, level and matched the original appearance of the corner
Stained Glass Conservation Repairs
Resin Repair
A resin repair is done when a piece of from a fragment is missing. Conservators replace the missing piece of glass with a coloured resin substitute.
The glass is cleaned using acetone and magic tape is used to keep the two pieces of glass together.
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Araldite 2020 is used bind the two pieces of glass together. Araldite A and B (20 : 6) are mixed together to create an adhesive. The adhesive is applied to the break line using a cocktail stick which allows it to seep into the crack.
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Araldite 2020 is also used to create the resin fill for the glass. The A and B mixture are added together before dye colours are added to recreate the original colour of the glass (Yellow/ Orange). Once the appropriate colour is made it is poured into the the fill and left to set for 24 hours.
Dental wax is used to act as a barrier around the missing piece of glass. This is done so when the resin is poured into the missing piece it will not seep out.
After Conservation Repair
Copper Foil Repair
A copper foil repair is done when a piece of glass has been broken into two or more pieces. Conservators join the two pieces of glass back together with a soldering technique.
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Strips of copper foil are cut and placed on the break edges of each piece of glass. They are then burnished over to ensure they are secured against the break line.
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A scalpel is then used to cut away the excess foil.
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Animal fat is then rubbed on the copper foiled joints and a solder is used to join the two pieces of glass together.
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