Saturday 27 March 2021

Filament "pull" affecting 3D print performance

Friction in the filament feed path can affect 3D printer performance...


...or at least that is the conclusion I have come to over the last few days.

Here are my notes to back this up.

Friday 12 March 2021

Playing with colour recognition #2: resistor value reader

This post is about a practical example of colour recognition.


It describes an experiment to determine resistor values from their coloured bands.

Its an interesting, but difficult task.

Wednesday 10 March 2021

3D Printing: sticking and removing

This post is primarily concerned with 2 issues;


1) Getting your prints to stick to the bed

2) Getting your prints off the bed

Sunday 7 March 2021

3D Printing: I'm back in the saddle!

It is almost 8 years since I've posted anything on 3D printing.


That's largely because its almost 8 years since I last touched a 3D printer.

Well now that I have my own printer...I'm back!

Saturday 6 March 2021

Prostate Cancer: "F" is for.... Fiducial

When the oncologist started to mention "fiducials" I obviously wanted to know how big they were and where he was proposing to stick them.


My first concern was unfounded, as it turns out they are quite small.

However, the second concern proved to be more justified.