The original MCAD repo, no longer maintained by me. Please use https://github.com/elmom/MCAD.
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README
bearing.scad
constants.scad
curves.scad
gears.scad
involute_gears.scad
lgpl-2.1.txt
materials.scad
math.scad
motors.scad
nuts_and_bolts.scad
openscad_utils.py
screw.scad
stepper.scad
test_compile.py
units.scad
utilities.scad

README

OpenSCAD MCAD Library
=====================

This library contains components commonly used in designing and moching up mechanical designs. It is currently unfinished and still undergoing considerable API changes however many things are already working.

This library is licensed under the LGPL 2.1
See http://creativecommons.org/licenses/LGPL/2.1/ or the included file, lgpl-2.1.txt.

Currently Provided Tools:

* involute_gears.scad (http://www.thingiverse.com/thing:3575): 
    - gear()
    - bevel_gear()
    - bevel_gear_pair()

* gears.scad (Old version):
    - gear(number_of_teeth, circular_pitch OR diametrial_pitch, pressure_angle OPTIONAL, clearance OPTIONAL)

* motors.scad:
    - stepper_motor_mount(nema_standard, slide_distance OPTIONAL, mochup OPTIONAL)

Other tools (alpha quality):
* nuts_and_bolts.scad: for creating metric and imperial bolt/nut holes
* bearing.scad: standard/custom bearings
* screw.cad: screws and augers
* materials.scad: color definitions for different materials

Utils:
* math.scad: general math functions
* constants.scad: mathematical constants
* curves.scad: mathematical functions defining curves
* units.scad: easy metric units
* utilities: geometric funtions and misc. useful stuff

You are welcome to fork this project in github and request pulls. I will try to accomodate the community as much as possible in this.