Sunday, August 12, 2018

Project Eagle Part 2 - More Greebles

LEM Greebles turned out reasonably OK. I have to scale them down by 75% from my model to make them fit. A miscalculation of scale on my part.

The problem, at this scale it's hitting the detail limit with a 0.4mm nozzle. I tried printing vertically to take advantage of 0.5mm layer height but it wasn't an improvement.

LEMings



If only it was this easy in the real space program.

As they are, they will look fine in place and painted.


Side Frame Greeblies


Next set of greeblies I want to tackle are the tanks that sit at either side of the Eagle walkways, inside the frame.

Tank greeblies inside the frame structure.
Fusion 360 to the rescue. It looks like a shelf with a number of fuel tanks connected by pipework, with what could be a lathe thrown in. The original looks like it has different diameters of pipework but I'm at the limit of what I can expect to print reliably.

Fusion 360 - Making the side greebles


This took a number of test prints. One had the top pipes too high and had to be bent to fit inside the frame. And the next version I made included two holes I can glue short pieces of filament into, as a key....because printing them in two halves works better.

Slic3r - We cut it into two halves to print.

The underside showing the key holes

Printing the first layer

Here's one I made earlier

Need to add key holes - to help glue them correctly

It works Jeeves!



Cockpit Painting


Three layers of primer and sanding later. I got the bulk of the layers lines removed except for the window areas which will have acetate in them.



More primer!!!!


Got through 340, 600 and 1200 grit paper.



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Project Eagle Part 2 - More Greebles

LEM Greebles turned out reasonably OK. I have to scale them down by 75% from my model to make them fit. A miscalculation of scale on my part...