well the fans aren't quite that squishy any more.
And they are pretty rigid vertically - basically you need a hammer to squash them vertically.
tried a few things and ended up with a 0.8mm outer wall, three blades
(I actually printed a whole bunch of 4 blade fans - but, umm, all left handed spin - yeah it was one of those days lol) at 40 degree pitch.
It just looks right - and that's the core principle of the scientific method, isn't it
I could create a sharper angle - but i'd also need to increase the wall thickness. And that would reduce air flow.
The hole through the glande starts out with an 12mm x 8mm socket for the fan, then gradually narrows to an 8mm aperture at the back.
How is that hole done ?
Well, magic - obviously
So anyway here's the first couple.
These are 30x60mm Jet glandes with a couple solid ones for comparison.
It's my favourite size.
And yes, that's the official name:
I'll give them a couple days gentle drying and then check weights and dimensions.
This is really firm clay - so you don't get much shrinkage.
I also suspect they'll whistle. There's a definite noise when you blow through them.
A simple lead glande makes a noise like a swarm of bees. I suspect these will be louder.
I have no idea where I'll test them.
I'll probably use my short edc sling. The best place I have to sling and see where a glande lands is only 500 metres from a road. (lol 'only')
But it's all down hill so you have a perfect view of whether there's anyone around.
Like I said I'll give them a couple days to harden.
And that folks is entry number 1.
And if you're wondering about the last picture. There is just something wholly satisfying about making really tiny things that come out without needing any post processing.
Each one takes approximately 3.5 minutes to make and uses 0.3 gms of flexible polyurethane.
For the really observant - the little bumps in the wall of the box contain magnets so i can stick the box to any magnet friendly surface.
The second entry requires me to video stuff and that always takes more time