Technology Blog

FreeCAD: Some examples for the makePatches macro

7th Nov 2025 CAD Tutorial
Windows 11
This tutorial provides some example input files for the FreeCAD surface creation macro. You can download the input files from here.
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FreeCAD: Make a smooth body shape from section data

28th October 2025 CAD Tutorial
Windows 11
This article shows how to make smooth body surfaces in FreeCAD from section coordinates in a file.

See the later video for further examples.

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YouTube caption Style, Colour and Position

2020-2022 Stylish Captions
YouTube
I've made several videos showing various ways to position your YouTube captions and add style and colour.

You can access the playlist from this article.

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Introduction to Pythonen

11th April 2021 Python Hack
Windows 7
How to hack python to use a keyword instead of white space for code structure.
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FreeCAD: Make a Smooth Wing Part from an Airfoil Section - Part 1

17th March 2021 CAD Tutorial
Ubuntu 20.04 LTS
This article shows how to make a smooth wing part in FreeCAD from an airfoil section shape defined by coordinates in a file.

The wing has sweep, taper and twist and the thickness to chord ratio varies across the span. The result is a smooth 3D shape that follows the shape of the loaded airfoil section.

In part 1, we make a sketch of the planform. This is not strictly necessary, so you can skip straight to part 2 if you just want to see how to make the wing.

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FreeCAD: Make a Smooth Wing Part from an Airfoil Section - Part 2

17th March 2021 CAD Tutorial
Ubuntu 20.04 LTS
This article shows how to make a smooth wing part in Freecad from an airfoil section shape defined by coordinates in a file.

In part 1, we made a sketch of the planform we want. In part 2, we complete the 3D wing part.

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