Chestnut Pens: Downloads

Here is a list of the downloads that you may find of interest. Most of the downloads are programs, which I have written for my own use, but feel they may be useful to the wider community - I have benefited so much from the internet that these programs are my effort to give something back. More recent programs relate to the generation of CNC toolpath files, but they are not the only ones. The program I am most pleased with is a long term, ongoing project - the 3D Modelling Studio. It has been gradually improved and expanded since I started it in 2004. As I think of something else to add to it, I do. In the last 2 years I have added the capacity to read Radioss large deformation files. I think I will start to add the capacity to read & write cnc toolpath G code files.

Do take a look at the 'Bolt Group Analysis' program. The probability is, you'll never come across another program with this capability. It's an industrial grade program that has been used for aircraft, houses, boxes and vehicles.

G Code Generator Program to easily create standard tapers on a CNC Lathe
CNC Taper

G Code Generator Program to easily create cylinders on a CNC Lathe
CNC Cylinder

Source Code for C++ Builder to add the ability to save Version 1.3 PDF files from within any C++ Builder program.
PDF Object Source Code

Halftone Image G Code Creator. A little program to create a simulation of a halftone image with a CNC machine tool.
Halftone Image Creator

Cross Stitch Chart Creation Program, Create a Cross Stitch Chart from an image.
Cross Stitch Chart

Depth Mill Program to create Low Relief pictures wrapped around a cylinder from a depth map.
Depth Milling

G Code Profile Utility Program for 2D CNC toolpaths to be turned into solids of revolution.
G Code Profile

G Code Wrapper for CNC toolpaths to be wrapped over cylindrical surfaces.
G Code Wrapper

G Code Arcs to Lines conversion utility.
GCode Arcs to Lines

CNC Milling of Lithophanes
Lithophanes

Single or multi-start internal & external thread milling G code generators for CNC machines.
CNC Threads

3D Modelling Studio, make 3D computer models and finite element models from scratch.
Modeller

Full Navigation Sextant - CAD Drawings and instructions on how to make a GPS that runs without Electricity!
Sextant

CAD Drawings and instructions for 'Rime', a cheap and easy to make dingy.
'Rime' Dingy

Download the Sundial Design Program for your exact location.
Sundial

Perfect Knurling every time...
Perfect Knurling

Spherical Turning without special tools
Spherical Turning

DXF File Z axis deletion, to remove spurious depth from a 2D drawing.
collapse

HPGL to DXF Translation Program, a rarity - it's free & not time limited.
HPGL to DXF

3D Bolt Group Analysis program, for calculating the loads in bolts when in groups.
Bolt Group Program

3D Plate Development program, for producing the flat pattern from a curved plate.
Plate Development Program


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