Sorry for the delay, but I have good news:
FINALLY! The prototype was cast succesfully, except for some little problems I already found a solution to, so they won't happen in the next cast. I used a molding material that has quite big particles to get a rough surface on the inside, the outside will be machined until it's totally smooth, all blocks will be lapped (except for the top that will be painted in the same color as graphite and the rough look will be very when painted).
I have no time to machine it today but tomorrow morning it will be all finished so I'll definately post the pictures tomorrow.
About the coldplate, I will have to look into it because the corners of the block (where the screws of the coldplate would go) were designed to hold only 1 screw (the copper is reinforced there so the screws don't go in contact with water) so the space available in there is already taken by the screws that hold the top into place, I'm trying to find a solution for this.
Thank you
Bruno Facca
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