Hi All. Im totally new to all this fun and looking for a little advice....I hope you'll bear with me! I recently decided to build a little sluice for fun in and around the waterways of the UK. having researched it seems the vortex dream mat gets a lot of good press but the price and availability for me in the uk (for what might be only a passing fad - at the moment ) is too steep. I am lucky to have access to 3d modelling software and mould making erquipment and thought Id give making one a go. Im reaching out to see If anyone has one on this forum and if they could confirm a few dimensions?