oshParkPCB sz boardName = 
    [ Part 
        { supplier      = oshPark
        , partNo        = boardName
        , minimumQty    = 3
        , increment     = 3
        , price         = sz * 5 / 3
        }
    , Part
        { supplier      = oshPark
        , partNo        = boardName
        , minimumQty    = 10 * ceiling (15 / sz)
        , increment     = 10
        , price         = sz
        }
    ]
oshParkPCB sz boardName = 
    [ Part 
        { supplier      = oshPark
        , partNo        = boardName
        , minimumQty    = 3
        , increment     = 3
        , price         = sz * 5 / 3
        }
    , Part
        { supplier      = oshPark
        , partNo        = boardName
        , minimumQty    = 10 * ceiling (15 / sz)
        , increment     = 10
        , price         = sz
        }
    ]
oshParkPCB sz boardName = 
    [ Part 
        { supplier      = oshPark
        , partNo        = boardName
        , minimumQty    = 3
        , increment     = 3
        , price         = sz * 5 / 3
        }
    , Part
        { supplier      = oshPark
        , partNo        = boardName
        , minimumQty    = 10 * ceiling (15 / sz)
        , increment     = 10
        , price         = sz
        }
    ]