I know too lazy after a long day… 
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I was always bemused by VPI’s much trumpeted use of ‘metal’ 3D printed parts for one of their tonearms. I can’t imagine how you might expect such components to have the same properties as metal parts that have been extruded, cast or indeed machined from solid from hot rolled stock. Surely such printed parts have very different metallurgy and characteristics?
Yeah, the only sensible uses I see for it are when it’s too complex a shape to machine/cast, like Bugatti’s titanium brakes:
They’re printing parts for military aircraft, ships and submarines now. Especially spares - there’s a couple of 3D printers on the aircraft carriers for example. I guess as long as the relevant properties are equivalent to the original mfg method then all’s good, and as Dom says, there’s no limit to the shape and complexity
I’m sure I read that they’d used 3D printing in recreating the Saturn V boosters, helped reduced the part count for one part from thousands to hundreds.
This is a 3D printed, ‘evolved design’ motorcycle frame. Titanium, 3 parts (to show welding of printed parts) . This was 3 or so years ago
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Some of the issues,
I do think this technology is moving very fast and the larger (particularly laser) units are incredible, this stuff will trickle down.
Would it be worth as an experiment to design in some channels through the body of the part that could be filled in with a resin for example, to reduce resonances?
certainly not my area of expertise but I think I remember from school or somewhere that most resins create heat when curing. If so that would have to be a consideration.
Possibly, just want to get the basics going first, though.
The infill seems to do quite a good job of deadening it.
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Anybody want a 3D printing project to have a go at?
I need some switch tip for my Technics RS1500 R2R 3D printing them would be a good solution.
And if they turned out good you could sell them on Ebay, lots of RS1500’s have missing ones.
I can post one as an example if anyone fancies a go at em.
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Does anyone fancy cncing or printing me a little nameplate for a model I’m making? Would only have to be maybe 100mm x 80mm, or a bit smaller if necessary, but I can only provide a photo, not a file. The font might be an easily available one but probably it’s not… Near enough would do. Don’t need the fixing thingies doing.
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Is that all of season 5 on Prime? I want to start it if they’re all on there.
Yes, the season finale was last Wednesday, so binge away!
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Just finished a couple of nice projects to help forum members fit tonearms.
One is a custom designed armboard to fit a 12 inch tonearm to a Notts Analogue Turntable. The other is an armplate to fit a second tonearm to a Trio L07-D. This one went to a fella in California.
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Nice work.
Love a bit of SAEC lunacy 
Still trying to find an affordable 506/30.
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Another Trio armboard
This time in ebony. An interesting material to machine.
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My brother has been hatching a business plan for a side project for him, making some routed wooden parts, initially using a hand router but he has been researching ‘entry’ CNC routers if it takes off.
He has approached me as A, it could be useful for me, and B, I happen to have a garage/workshop where he is now thinking this could be housed! 
He is after something for routing mostly hardwoods, around 30-40mm thick and 300x300mm although a larger bed size would be handy, mostly for me and speaker projects, such as 1000x1500mm as the one attached.
I’ve plenty of experience with 3D modelling but none when it comes to the CNC side (other than >10yr old IT support to 3/5 axis milling machines via g-code)
Any advice?
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Edd is your man. On holiday, at the moment.
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