remove_cans.py

#!/usr/bin/env python2

from solid import *
from solid.utils import *
import subprocess
import json
import sys
import os

os.path.dirname(os.path.realpath(__file__))

can_height = 12.3 + 0.5
can_radius = 3.2 + 0.1

def can():
    return rotate([0, 90, 0])(
        cylinder(h=can_height, r=can_radius, center=True)
    )

def can_hole():
    hole_height = 100
    return up(hole_height/2)(
        cube(size=[can_height, can_radius*2, hole_height], center=True)
    )

def can_and_hole(t):
    return translate(t)(can() + can_hole())

def bailing_ports(t, water_height):
    port_length = 100
    port_side = 1.0

    port = rotate([120, 0, 0])(
        cylinder(h=port_length,r=port_side/2.0)
    )

    return translate([t[0], t[1], t[2] + can_radius + (port_side * 2)])(
        port
    )
if __name__ == '__main__':
    with open("boat.json","r") as f:
        boat_def = json.load(f)

        boat_stl_file = filter(lambda o: o[u"name"] == u"STL", boat_def)[0]['location']
        print boat_stl_file
        boat_stl = scale(100)(
            import_stl("{}".format(os.path.abspath(boat_stl_file)))
        )

        cans = filter(lambda o: o[u"name"] == u"Can", boat_def)

        # can1 = translate(boat_def[])

        boat = boat_stl - [can_and_hole(c['com']) for c in cans]


        water = filter(lambda o: o[u"name"] == u"Water", boat_def)[0]['waterline']

        ports = [bailing_ports(c['com'], water) for c in cans]
        flipped_ports = scale([1,-1,1])(ports)

        boat = boat - ports - flipped_ports

        boat = scale([1.0/100.0,1.0/100.0,1.0/100.0])(boat)

        print "$fa=2; $fs=0.1;\n"+scad_render(boat)

        with open("scad/tmp.scad","w") as tmp_scad:
            tmp_scad.write("$fa=2; $fs=0.1;\n"+scad_render(boat))

        subprocess.call(["openscad", "-o", "tmp.stl", "scad/tmp.scad"], cwd=os.getcwd())