3D Printing: filament grinding & nozzle blockage

My printer stopped printing part way through a print!

 

I'd never experienced this before...

...and I'm still not sure what the reason was for this problem.

My 'Cardboard Box' Moth Trap

I was wondering whether the clear plastic/glass panels in a typical Skinner trap were really necessary.

 

This led to a few experiments, and then to the construction of a simple cardboard moth trap...

...which is probably the cheapest DIY moth trap design imaginable!

3D Design & Print: bits for my kitchen radio

I wanted to add a BlueTooth transmitter to KitchenPi

At last, a mini-project to exercise my [dubious] 3D design skills.