This is how I make my two piece plaster moulds in my pottery studio. This is a DIY to make your own molds at home from your own unique designs.This is not a professional method but a method I love to use in my home studio.
Here is a list of the materials I used in this video with links to where I purchased them from:
Pottery Plaster No 1: https://www.barnes.com.au/plaster-gypsums/pottery-plaster-1117
Cheaper Substitutes for Plaster:https://www.bunnings.com.au/gyprock-csr-20kg-casting-plaster-filler_p0731601
https://www.bunnings.com.au/dingo-2-5kg-plaster-of-paris_p0760506Respirator Masks: https://www.bunnings.com.au/search/products?q=respirator&sort=BoostOrder&page=1
Soft Soap: https://shop.walkerceramics.com.au/CB190.500/Soft-Soap-500-ml/pd.php
Clamps: https://www.bunnings.com.au/craftright-300mm-2-piece-quick-action-clamp_p5860150
OPTIONAL: Plaster Sheeting: https://www.bunnings.com.au/gyprock-csr-530-x-530-x-10mm-mini-plaster-repair-panel_p0730734
This is the link to Jenny Rijke a very inspiring potter who also has a lot of expertise and information on slip casting and making your own moulds. I use their ratio guide for plaster to water mix. https://www.jennyrijke.com
https://www.instagram.com/jennyrijke/?hl=en
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