Mars Accuracy

I’ve noticed that the prints on my own 3D printer are snug compared to the same parts printed by Shapeways. Indeed, the sand dome and the ash pan wanted a little scraping where they connect with other parts. So, I made a 2 cm test cube to see what I could learn about the accuracy. […]

Read More Mars Accuracy

Sand dome for 622

It turns out that one of the benefits of having your own 3D printer is that you can afford to experiment a little bit. If a part doesn’t work out the way you thought it would, you can modify the drawing, export it, and try again. There is no 10-day wait, no shipping charges and […]

Read More Sand dome for 622

Mars sees its first action

For Father’s Day this year, my darling wife bought me an Elegoo Mars 3D printer. Well, summer being what it is, it has taken me a while to get it out of the box, but now that it is in action, I must say I am truly impressed. Now, I will confess that I have […]

Read More Mars sees its first action

Boiler stays for 622

The front boiler stays on a steam locomotive are tricky. They need to connect the boiler to the frame, but at least one end can’t be permanent or else you’ll never be able to disassemble the engine. What’s more, they are right there on the front of the engine, front and centre for most photographs; […]

Read More Boiler stays for 622