Archive for July, 2016

OpenSCAD two types of function

OpenSCAD two types of function

I’ve been experimenting with OpenSCAD for some time and was building some plates to attach some components together. For these I needed a rounded corner rectangle with some regularly spaced holes. I knew that you could create module functions that

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Simple garden bench – Finishing

Simple garden bench - Finishing

As the bench was going outside I knew it would need some protection from the elements. The metal brackets that supported the legs were given a coat of Hammerite. The top of the bench was sanded and then cleaned with

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Simple garden bench

Simple garden bench

The last couple of weekends the family teamed up to help renovate my Mother in law’s garden. It was a big garden and had got overgrown as it was too much for her to maintain. After a general tidy, we

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Primes

Primes

The reminders about Amazon Prime day got me thinking about Prime Numbers. Whilst I was coding a power efficient “blink” for a new 4Tronix board I joked that it was not calculating primes. But then I thought, “why not?” I

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Dressing a grinding wheel

Dressing a grinding wheel

When I’d been grinding my tungsten for the TIG welder, I’d been a bit careless and had ground in the same place each time. The net result was that I ended up with a groove down the middle of the

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Ernest Malinowski and the Central Trans-Andean Railway

Ernest Malinowski and the Central Trans-Andean Railway

Following on from the article on Marc Brunel, the next in the series is Ernest Malinowski, a Polish Engineer who put his hand to building a railway across the Andes mountain range. Ernest Malinowski was born in a troubled time

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