About this 3D model

I didn't want to pay £10 for a wet palette so I designed my own based on the Frisk Acrylic wet palette refils. Decided to use 1/2 sheet size. Just cut the sheets in half and you get double the sheets for £4. https://ebay.to/2Ynpaj9 Been using these (printed 2) for more than 3 months with no issues. They are water tight and paint stays wet for 3-4 days.