{
    "nodes": [
        {
            "datums": [
                {
                    "expr": "0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "1",
                    "name": "r",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0",
                    "name": "_a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('-r+qXqYf1',float('-1.000000'),float('-1.000000'),float('-inf'),float('1.000000'),float('1.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -694.92339215345714,
                -287.60281932577425
            ],
            "name": "base",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/18",
                "",
                "import fab",
                "import math",
                "",
                "title('Circle (center)')",
                "",
                "input('x0',float)",
                "input('y0',float)",
                "input('r',float)",
                "input('_a',float)",
                "",
                "output('shape', fab.shapes.circle(x0, y0, r))",
                "",
                "def drag_r(this,x,y,z):",
                "    dx = x - this.x0",
                "    dy = y - this.y0",
                "    this.r = math.sqrt(dx**2 + dy**2)",
                "    this._a = math.atan2(dy, dx)",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * r + x0,",
                "     math.sin(i/36. * 2*math.pi) * r + y0, 0)",
                "    for i in range(36)], close=True)",
                "sb.ui.point(x0,y0)",
                "sb.ui.point(x0 + r*math.cos(_a),",
                "             y0 + r*math.sin(_a),",
                "             drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 1
        },
        {
            "datums": [
                {
                    "expr": "base.x0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "base.y0",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "base.r * 1.9",
                    "name": "r",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0",
                    "name": "_a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('-r+qXqYf1.9',float('-1.900000'),float('-1.900000'),float('-inf'),float('1.900000'),float('1.900000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -693.77345595731981,
                -76.151833885642787
            ],
            "name": "base2",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/18",
                "",
                "import fab",
                "import math",
                "",
                "title('Circle (center)')",
                "",
                "input('x0',float)",
                "input('y0',float)",
                "input('r',float)",
                "input('_a',float)",
                "",
                "output('shape', fab.shapes.circle(x0, y0, r))",
                "",
                "def drag_r(this,x,y,z):",
                "    dx = x - this.x0",
                "    dy = y - this.y0",
                "    this.r = math.sqrt(dx**2 + dy**2)",
                "    this._a = math.atan2(dy, dx)",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * r + x0,",
                "     math.sin(i/36. * 2*math.pi) * r + y0, 0)",
                "    for i in range(36)], close=True)",
                "sb.ui.point(x0,y0)",
                "sb.ui.point(x0 + r*math.cos(_a),",
                "             y0 + r*math.sin(_a),",
                "             drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 2
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__2.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "1",
                    "name": "z0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__1.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                },
                {
                    "expr": "2",
                    "name": "z1",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-Zf2-f1Z/+*-Zf1-r+qXqYf1*-f2Z-r+qXqYf1.9f1',float('-1.900000'),float('-1.900000'),float('1.000000'),float('1.900000'),float('1.900000'),float('2.000000'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -331.27820341449853,
                -119.81612598070063
            ],
            "name": "baseloft",
            "script": [
                "# Neil Gershenfeld 2/1/15",
                "# Matt Keeter 6/13/15",
                "",
                "import fab",
                "",
                "title('Loft')",
                "",
                "input('a', fab.types.Shape)",
                "input('z0', float)",
                "input('b', fab.types.Shape)",
                "input('z1', float)",
                "",
                "output('out', fab.shapes.loft_xy_z(a, b, z0, z1))",
                "",
                ""
            ],
            "uid": 0
        },
        {
            "datums": [
                {
                    "expr": "base2.x0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "base2.y0",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "base2.r * 1.4",
                    "name": "r",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0",
                    "name": "_a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('-r+qXqYf2.66',float('-2.660000'),float('-2.660000'),float('-inf'),float('2.660000'),float('2.660000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -695.9483710984523,
                128.62013026739135
            ],
            "name": "base3",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/18",
                "",
                "import fab",
                "import math",
                "",
                "title('Circle (center)')",
                "",
                "input('x0',float)",
                "input('y0',float)",
                "input('r',float)",
                "input('_a',float)",
                "",
                "output('shape', fab.shapes.circle(x0, y0, r))",
                "",
                "def drag_r(this,x,y,z):",
                "    dx = x - this.x0",
                "    dy = y - this.y0",
                "    this.r = math.sqrt(dx**2 + dy**2)",
                "    this._a = math.atan2(dy, dx)",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * r + x0,",
                "     math.sin(i/36. * 2*math.pi) * r + y0, 0)",
                "    for i in range(36)], close=True)",
                "sb.ui.point(x0,y0)",
                "sb.ui.point(x0 + r*math.cos(_a),",
                "             y0 + r*math.sin(_a),",
                "             drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 3
        },
        {
            "datums": [
                {
                    "expr": "0.0",
                    "name": "_x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0.0",
                    "name": "_y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0",
                    "name": "zmin",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1",
                    "name": "zmax",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0011[__3.__4]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('am__f1-r+qXqYf2.66a-f0Z-Zf1',float('-2.660000'),float('-2.660000'),float('0.000000'),float('2.660000'),float('2.660000'),float('1.000000'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                -330.71698991526489,
                130.77773446690651
            ],
            "name": "base3extrude",
            "script": [
                "import fab",
                "",
                "title('Extrude')",
                "",
                "input('_x', float)",
                "input('_y', float)",
                "input('zmin', float)",
                "input('zmax', float)",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', fab.shapes.extrude_z(shape, zmin, zmax))",
                "",
                "# UI",
                "sb.ui.wireframe([(_x, _y, zmin), (_x, _y, zmax)], color=sb.color.green)",
                "sb.ui.point(_x, _y, zmin, color=sb.color.green)",
                "sb.ui.point(_x, _y, zmax, color=sb.color.green)",
                "",
                ""
            ],
            "uid": 4
        },
        {
            "datums": [
                {
                    "expr": "base.x0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "base.y0",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "base.r",
                    "name": "r",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0",
                    "name": "_a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('-r+qXqYf1',float('-1.000000'),float('-1.000000'),float('-inf'),float('1.000000'),float('1.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -693.31741142055159,
                337.14160992166177
            ],
            "name": "shaft",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/18",
                "",
                "import fab",
                "import math",
                "",
                "title('Circle (center)')",
                "",
                "input('x0',float)",
                "input('y0',float)",
                "input('r',float)",
                "input('_a',float)",
                "",
                "output('shape', fab.shapes.circle(x0, y0, r))",
                "",
                "def drag_r(this,x,y,z):",
                "    dx = x - this.x0",
                "    dy = y - this.y0",
                "    this.r = math.sqrt(dx**2 + dy**2)",
                "    this._a = math.atan2(dy, dx)",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * r + x0,",
                "     math.sin(i/36. * 2*math.pi) * r + y0, 0)",
                "    for i in range(36)], close=True)",
                "sb.ui.point(x0,y0)",
                "sb.ui.point(x0 + r*math.cos(_a),",
                "             y0 + r*math.sin(_a),",
                "             drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 5
        },
        {
            "datums": [
                {
                    "expr": "0.0",
                    "name": "_x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0.0",
                    "name": "_y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "2",
                    "name": "zmin",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "5",
                    "name": "zmax",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0011[__5.__4]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('am__f1-r+qXqYf1a-f2Z-Zf5',float('-1.000000'),float('-1.000000'),float('2.000000'),float('1.000000'),float('1.000000'),float('5.000000'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                -371.67206822577748,
                324.29215293251559
            ],
            "name": "e1",
            "script": [
                "import fab",
                "",
                "title('Extrude')",
                "",
                "input('_x', float)",
                "input('_y', float)",
                "input('zmin', float)",
                "input('zmax', float)",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', fab.shapes.extrude_z(shape, zmin, zmax))",
                "",
                "# UI",
                "sb.ui.wireframe([(_x, _y, zmin), (_x, _y, zmax)], color=sb.color.green)",
                "sb.ui.point(_x, _y, zmin, color=sb.color.green)",
                "sb.ui.point(_x, _y, zmax, color=sb.color.green)",
                "",
                ""
            ],
            "uid": 6
        },
        {
            "datums": [
                {
                    "expr": "base.x0",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "base.y0",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "shaft.r * 3",
                    "name": "r",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "-0.4243231142567851",
                    "name": "_a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('-r+qXqYf3',float('-3.000000'),float('-3.000000'),float('-inf'),float('3.000000'),float('3.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -558.91871027468824,
                580.95954924310638
            ],
            "name": "top",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/18",
                "",
                "import fab",
                "import math",
                "",
                "title('Circle (center)')",
                "",
                "input('x0',float)",
                "input('y0',float)",
                "input('r',float)",
                "input('_a',float)",
                "",
                "output('shape', fab.shapes.circle(x0, y0, r))",
                "",
                "def drag_r(this,x,y,z):",
                "    dx = x - this.x0",
                "    dy = y - this.y0",
                "    this.r = math.sqrt(dx**2 + dy**2)",
                "    this._a = math.atan2(dy, dx)",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * r + x0,",
                "     math.sin(i/36. * 2*math.pi) * r + y0, 0)",
                "    for i in range(36)], close=True)",
                "sb.ui.point(x0,y0)",
                "sb.ui.point(x0 + r*math.cos(_a),",
                "             y0 + r*math.sin(_a),",
                "             drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 7
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__6.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "5",
                    "name": "z0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__7.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                },
                {
                    "expr": "10",
                    "name": "z1",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-Zf10-f5Z/+**Zg-Zf5-r+qXqYf3*-f10Z-r+qXqYf1f5',float('-3.000000'),float('-3.000000'),float('5.000000'),float('3.000000'),float('3.000000'),float('10.000000'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -201.52775930366747,
                584.33108388806897
            ],
            "name": "cuppart",
            "script": [
                "# Neil Gershenfeld 2/1/15",
                "# Matt Keeter 6/13/15",
                "",
                "import fab",
                "from fab.types import Shape, Transform",
                "title('Loft')",
                "",
                "input('a', fab.types.Shape)",
                "input('z0', float)",
                "input('b', fab.types.Shape)",
                "input('z1', float)",
                "",
                "",
                "def loft_xy_z(a, b, zmin, zmax):",
                "    \"\"\" Creates a blended loft between two shapes.",
                "",
                "        Input shapes should be 2D (in the XY plane).",
                "        The resulting loft will be shape a at zmin and b at zmax.",
                "    \"\"\"",
                "    # ((z-zmin)/(zmax-zmin))*b + ((zmax-z)/(zmax-zmin))*a",
                "    # In the prefix string below, we add caps at zmin and zmax then",
                "    # factor out the division by (zmax - zmin)",
                "    dz = zmax - zmin",
                "    c = zmax",
                "    a_, b_ = a.math, b.math",
                "\t",
                " ",
                "     ",
                "    return Shape(('aa-Zf%(zmax)g-f%(zmin)g' +",
                "                  'Z/+**Zg-Zf%(zmin)g%(b_)s' +",
                "                     '*-f%(zmax)gZ%(a_)sf%(dz)g') % locals(),",
                "                min(a.bounds.xmin, b.bounds.xmin),",
                "                min(a.bounds.ymin, b.bounds.ymin), zmin,",
                "                max(a.bounds.xmax, b.bounds.xmax),",
                "                max(a.bounds.ymax, b.bounds.ymax), zmax)",
                "",
                "",
                "output('out', loft_xy_z(a, b, z0, z1))",
                "",
                ""
            ],
            "uid": 8
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__0.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__4.__5]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('iaa-Zf2-f1Z/+*-Zf1-r+qXqYf1*-f2Z-r+qXqYf1.9f1am__f1-r+qXqYf2.66a-f0Z-Zf1',float('-2.660000'),float('-2.660000'),float('0.000000'),float('2.660000'),float('2.660000'),float('2.000000'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                100.78816006206927,
                -59.436555136172274
            ],
            "name": "u0",
            "script": [
                "import fab.types",
                "",
                "title('Union')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a | b)",
                ""
            ],
            "uid": 9
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__9.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__6.__5]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('iiaa-Zf2-f1Z/+*-Zf1-r+qXqYf1*-f2Z-r+qXqYf1.9f1am__f1-r+qXqYf2.66a-f0Z-Zf1am__f1-r+qXqYf1a-f2Z-Zf5',float('-2.660000'),float('-2.660000'),float('0.000000'),float('2.660000'),float('2.660000'),float('5.000000'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                162.43045070677201,
                118.79241917360939
            ],
            "name": "u1",
            "script": [
                "import fab.types",
                "",
                "title('Union')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a | b)",
                ""
            ],
            "uid": 10
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__10.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__8.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('iiiaa-Zf2-f1Z/+*-Zf1-r+qXqYf1*-f2Z-r+qXqYf1.9f1am__f1-r+qXqYf2.66a-f0Z-Zf1am__f1-r+qXqYf1a-f2Z-Zf5aa-Zf10-f5Z/+**Zg-Zf5-r+qXqYf3*-f10Z-r+qXqYf1f5',float('-3.000000'),float('-3.000000'),float('0.000000'),float('3.000000'),float('3.000000'),float('10.000000'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                172.12779104747483,
                303.04188564696273
            ],
            "name": "u2",
            "script": [
                "import fab.types",
                "",
                "title('Union')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a | b)",
                ""
            ],
            "uid": 11
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__11.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0012fab.types.Shape('iiiaa-Zf2-f1Z/+*-Zf1-r+qXqYf1*-f2Z-r+qXqYf1.9f1am__f1-r+qXqYf2.66a-f0Z-Zf1am__f1-r+qXqYf1a-f2Z-Zf5aa-Zf10-f5Z/+**Zg-Zf5-r+qXqYf3*-f10Z-r+qXqYf1f5',float('-3.000000'),float('-3.000000'),float('0.000000'),float('3.000000'),float('3.000000'),float('10.000000'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                }
            ],
            "inspector": [
                378.1962732874095,
                480.01834686478895
            ],
            "name": "m0",
            "script": [
                "import fab",
                "",
                "title('Mesh (.stl)')",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', shape)",
                "",
                "sb.export.stl(shape)",
                ""
            ],
            "uid": 12
        }
    ],
    "protocol": 6,
    "type": "sb"
}