digraph {
    sand [label="Sand"];
    clay_ball [label="Clay Ball"];
    kelp [label="Kelp"];
    algal_blend [label="Algal Blend"]
    algal_brick [label="Algal Brick"];
    andesite [label="Andesite"];
    andesite_alloy [label="Andesite Alloy"];

    kelp_farm [label="Kelp Farm" shape=box3d]; kelp_farm -> kelp;
    andesite_farm [label="Bedrock Andesite farm" shape=box3d]; andesite_farm -> andesite;
    strainers [label="Strainer array" shape=box3d]; strainers -> sand;

    sand -> clay_ball [label="Washing" color=blue fontcolor=blue];

    mixer_algal_blend [label="Mechanical Mixer" shape=box];
    clay_ball -> mixer_algal_blend;
    kelp -> mixer_algal_blend;
    mixer_algal_blend -> algal_blend;

    algal_blend -> algal_brick [label="Blasting" color=red fontcolor=red];

    mixer_andesite [label="Mechanical Mixer" shape=box];
    algal_brick -> mixer_andesite;
    andesite -> mixer_andesite;
    mixer_andesite -> andesite_alloy;
}