#! /usr/bin/env python

# -*- coding: UTF-8 -*-

from __future__ import division

import os

import sys

import re

from solid import *

from solid.utils import *

SEGMENTS = 48

def basic_geometry():

# SolidPython code can look a lot like OpenSCAD code. It also has

# some syntactic sugar built in that can make it look more pythonic.

# Here are two identical pieces of geometry, one left and one right.

# left_piece uses standard OpenSCAD grammar (note the commas between

# block elements; OpenSCAD doesn't require this)

left_piece = union()(

translate([-15, 0, 0])(

cube([10, 5, 3], center=True)

),

translate([-10, 0, 0])(

difference()(

cylinder(r=5, h=15, center=True),

cylinder(r=4, h=16, center=True)

)

)

)

# Right piece uses a more Pythonic grammar. + (plus) is equivalent to union(),

# - (minus) is equivalent to difference() and * (star) is equivalent to intersection

# solid.utils also defines up(), down(), left(), right(), forward(), and back()

# for common transforms.

right_piece = right(15)(cube([10, 5, 3], center=True))

cyl = cylinder(r=5, h=15, center=True) - cylinder(r=4, h=16, center=True)

right_piece += right(10)(cyl)

return union()(left_piece, right_piece)

if __name__ == '__main__':

out_dir = sys.argv[1] if len(sys.argv) > 1 else os.curdir

file_out = os.path.join(out_dir, 'basic_geometry.scad')

a = basic_geometry()

print("%(__file__)s: SCAD file written to: \n%(file_out)s" % vars())

# Adding the file_header argument as shown allows you to change

# the detail of arcs by changing the SEGMENTS variable. This can

# be expensive when making lots of small curves, but is otherwise

# useful.

scad_render_to_file(a, file_out, file_header='$fn = %s;' % SEGMENTS)