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In Reply to: RE: Is owning a 3D printer worthwhile posted by Leo loves music on May 10, 2025 at 05:37:59
Hi
YES!! or maybe it depends.
3D printers have made incredible advances in the last few years and the liquid resin printers are amazing. And there are places like "Thingaverse" that have tons of models to download.
I make horn throat parts and lenses for horns and probably shouldn't show that stuff but there are other fun things to print.
My daughter does most of my Solidworks drawing, programs the cnc router and runs the printers. IF you can draw it in 3d, you can print it.
Here is a sample of a fun thing i asked her to print when there was resin left over.
This is about 11 inches long, printed as one object and the printer even printed the springs! The next one will be made from the separate parts and assembled.
A Buckeye ball bearing heavy truck as used on some coal tenders and depressed center flat cars.
Tom Danley
Danley Sound Labs
Follow Ups:
I was unaware that that level of complex detail was available to more than just $$$$$$ printers. And the hex nuts are equally detailed
Could you please recommend a brand? I don't want Chinese junk. It will be better if they are made in other country like in India.Beside making audio part, I also like airplane models especially fight jet.
Edits: 05/10/25
Hi
I would be both of ours are from China although that may not be correct.
I have these at my shop but they are looking at one made by form-labs at work that is about 3 times faster than ours but much more expensive too.To be clear, there are two main approaches, the extrusion printers are cheaper and work by having a spool of plastic that is extruded and applied at about the diameter of a hair, and the x,y z motion builds up the object. We started with those BUT if one wanted a solid object like a horn, they take forever. Instead those objects generally have a hollow interior or one filled with supports. Speed is directly tied to the volume of plastic you print.
The resin printers can print a solid block at about the same rate at a small object, here is the fixed height per hour they can print. For anything big, these are WAY faster but still, an object that is say 10 inches tall, might take 15-25 hours to print. That railroad bogie (as in Europe) took about 5 hours and is printed as solids if the object was solid.
These work by having UV lights that shine up through an LCD screen into a vat of goo sitting on it, that has a clear plastic bottom. The UV light triggers a VERY thin layer of to turn solid. The LCD screen only lets light through where it was supposed to print. Then at about 1/3 mm per set it grows the object on the bottom of a metal plate which slowly lifts out of the goo.
The two resin printers we use in the lab are an Elegoo Saturn and the one mostly used (and printed that truck) is the Sonic Mega 8K-S. There is a new version of that one that is supposed to be twice as fast but more than twice the coins.
There are two more steps to resin printing too, first you have to wash the goo of the part (usually with rubbing alcohol, some resins use water)
and then curing with UV light. We use the curing box that came with the Elegoo and with that one, it takes 5 min to finish the cure.Hope that helps.
There is an amazing amount of printable 3d cad models out there, HIGHLY likely you can find cool fighter plane stuff.
Look for files that end with .stl
Have fun!Tom
Edits: 05/10/25
India is not a must but a nice to have requirement. Thanks a lot for the recommendation. I will do my research. At this point I am 100% sure I want a 3D printer. I like fight jet models.
I looked up the price of the one Tom used. It's about $1300 at Amazon .
I am willing to invest tools. Man likes tools. Is it made in India or a Chinese junk? Is it waterproof and bulletproof?
Tom has already indicated his is made in China. As for the other questions, ask Amazon or him!
It would seem you spend a lot of money on little parts. :)
Well i would bet it's from China, i didn't look to make sure.
The thing is if you want or need to make something (like say a phase plug idea for a compression driver), there is no way i could fabricate one.
But, if i can get my daughter to draw it in Solidworks, it can be exported to the printer and in a few hours you have one.
An amazing part of this approach is one can print interlocking parts like gears within a mechanism and the parts are free to move, an assembly that you can assemble from parts. Had the model for the rail car truck had a gap between the separate parts and brakes not applied, the wheels and suspension would move.
Google a sight called Thingaverse and look for anything you think of.
I am pretty sure one of the main things these are used for is printing miniature but precise figures for board games. A large printer can print an entire set of those or more in one session.
In some cases, it makes sense beyond prototypes for short run production to print parts vs molding them.
how useful it would be at Danley Labs for prototyping. I had a customer who used one for small manufacturing runs of proprietary parts. Not so sure as to the cost effectiveness of spending that much money for printing otherwise readily available stuff.
First couple of pages at Thingaverse seem more like novelty items but I can see the potential value.
My wife said I have too many tools and never use them. She also said I have too many speakers :)
one who enjoys multiple systems around the manse.
Music system upstairs, HT in family room (where wifey spends lots of time) and system in garage. In ceiling speakers found in multiple rooms and out by pool.
Everything in use. :)
It is nice to have pool at home. I had one but here the weather is too cold and not much use. So I removed it. Now I go to our middle school to swim with my wife. They have an in door Olympic pool. We can swim all year round.
I live in the mid south so we get a good six months or so of use each year. It's about time to open.
Nothing better to cool off after a long run or mowing the 1.6 acre lot. :)
I used to live in Dallas on a business relocation for about one year. The weather there is definite warm.
How about a home
Gsquared
Very Cool!
Hey this is exactly how the extrusion printers work too.
Imagine the poo of cement was melted plastic about the diameter of a hair or a little more. The mechanism moves the heater / extruder head the same way.
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