I appreciate all input, since the goal here is to make a good looking block which also performs well.
Our channels are actually cut deeper then the overall base, and perhaps bending them inward in the top would make more water favour the then easier passage at the bottom. As for a flow restriction that will make sure water gets to the bottom, and perhaps also makes it favour a certain way through yhe block i have several ideas which we will try out soon..
We have access to a lathe and a lot of other equipment.. so we have a variety of tools and possibilities which can be tried out..
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