I just downloaded google sketchup..not bad..but I'm not expert. The flow out of the screen area will be PVP pipe and possibly have a filter sock on it..not the square outlet that is drawn. The water flows out down..and the corners below are angled off to get a circular flow around and back to the pump. The brown area is where some live rock or DIY GARF rock will be places. since in a breeder/growout set up there isn't really much sand or rock to hold on to biology. I did not draw them but I was debating in the pump area putting 1 or two 2-litre bottles on end suspended at the right height for a ghetto ATO. The screen is 12x12 and the lights will be between 13 and 18w each 6 per side. I plan on making it out of thin acrylic. The portion with the light, pipe, and such that is above the rock area will be designed to pull out for cleaned and placing the rock area. The light housing area will either be white or reflective material will be lining it. I don't know if I forgot to elaborate on anything.
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