Round Tray with Marbling
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Cast a round tray with beautiful marbling. Simply mix the casting powder with water, add a few drops of paint and stir. You then pour the mixture into a mould and once the tray has hardened, remove it and sand the edges with a wet sanding sponge.
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Video guide Get step-by-step instructions on how to cast a round tray with marbling.
1 
You will need the following for this project: 150 g casting resin, 47 ml water and 5 ml craft paint.
You will need the following for this project: 150 g casting resin, 47 ml water and 5 ml craft paint.2 
Pour the water into the powder, set aside a small amount and stir well. The mixture should be thick but pourable – adjust the thickness with water if necessary.
Pour the water into the powder, set aside a small amount and stir well. The mixture should be thick but pourable – adjust the thickness with water if necessary.3 
Add about 5 ml of craft paint to the mixture and stir the paint down to the bottom of the mixture. Be careful not to over-stir.
Add about 5 ml of craft paint to the mixture and stir the paint down to the bottom of the mixture. Be careful not to over-stir.4 
Pour the mixture into the mould, but do not fill the mould completely (1–2 mm from the edge). Press firmly into the mould along the entire edge with the stirring stick.
Pour the mixture into the mould, but do not fill the mould completely (1–2 mm from the edge). Press firmly into the mould along the entire edge with the stirring stick.5 
Spread the mixture and remove any air bubbles by tilting the edge. Keep tilting the edge into the mould all the way around for 2–3 minutes.
Spread the mixture and remove any air bubbles by tilting the edge. Keep tilting the edge into the mould all the way around for 2–3 minutes.6 
Allow the mixture to harden in the mould. Hardening time depends on the amount of water and takes around 90–240 min. Once it is hard, the mould can be easily removed.
Allow the mixture to harden in the mould. Hardening time depends on the amount of water and takes around 90–240 min. Once it is hard, the mould can be easily removed.7 
Sand the bottom and edges with a sanding sponge and water. The tray must harden for 24–48 hours to reach full hardness.
Sand the bottom and edges with a sanding sponge and water. The tray must harden for 24–48 hours to reach full hardness.Free Step-by-Step Guide
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