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CreatorLes
Joined: Oct 05, 2014
Posts: 84
Location: San Antonio TX USA
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 Posted: Sat Apr 18, 2015 9:17 pm Post subject:
Any Interest in 3D Printed Lunetta Enclosures |
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Hey folks, ltns!
I was thinking of what to do with my 3D printer next and it occurred to me that maybe I could create some really interesting Lunette boxes for your projects. I'd be happy to offer them at not much over cost so they'd be reasonable in price and I could CAD up some really interesting designs.
The photos here show how I made a box to fit a 1/4 sized perma-proto-board from Adafruit. These are available in 1/4, 1/2, and full sizes and they match breadboards so you can transfer your circuits. I could create other, more organic or otherwise interesting forms, or could print forms you create, that fit those boards. That way we'd have a standardized PCB format that fits our projects.
See, I was going to make a synth and it was hot in the room, i was sweaty and i blew up an opamp with carelessness and it got me to thinking, what is needed is a box for YOUR projects, not mine!
Of course if you prefer not to use these adafruit boards I can design enclosures to fit what you've got. Just make some key measurements and I'll CAD to fit!
Good idea? yay or nay?
Les
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CreatorLes
Joined: Oct 05, 2014
Posts: 84
Location: San Antonio TX USA
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CreatorLes
Joined: Oct 05, 2014
Posts: 84
Location: San Antonio TX USA
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CreatorLes
Joined: Oct 05, 2014
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mosc
Site Admin
Joined: Jan 31, 2003
Posts: 18265
Location: Durham, NC
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| Posted: Mon Apr 20, 2015 10:51 am Post subject:
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Very cool, Les. What are the max dimensions of your printer?
_________________
--Howard
my music and other stuff |
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CreatorLes
Joined: Oct 05, 2014
Posts: 84
Location: San Antonio TX USA
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| Posted: Mon Apr 20, 2015 11:10 am Post subject:
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| mosc wrote: | | Very cool, Les. What are the max dimensions of your printer? |
Hey Howard, good to hear from you! My current printer prints within a six inch cube - it's a smallish printer because I am in a nursing home. Later my bigger printer is a bit largish with an 8"x9"x10" build volume. Eventually I plan to get a nice big not with a 12" cube size.
Some size can be gained by printing diagonally and especially by printing in parts. I can add keys or even dovetails or puzzle piece ends to secure the parts together very strongly.
In addition to size limitations, there are certain "printability" limitations that are very flexible due to a feature called "support". The main concern is that the printer prints by depositing material onto the build plat and onto prior layers. It cannot deposit material onto thin air, obviously, so structures like downward pointing arms or whatever need "support" underneath them. after printing the support is removed with pliers and x-acto knives and sandpaper which is time consuming and inexact but does make such objects printable. by Christmas time I plan to purchase (with the help of relatives) a dual extrusion printer which makes even those structures printable.
The rule of thumb is that you can go 45 degrees up easily. My printer is a good one and it can go more horizontal than 45 degrees though, but not sideways for more than a millimeter or so. What is amazing is "bridging" in which there is material previously printed on either side of a large gap and the printer just goes "zip" over the gap to cover it. You get some material drooped down but mostly it performs well. Different filaments affect what can be done as well.
I'm happy to answer any other questions and to print example structures for free or the cost of shipping - it doesn't have to be a money thing at all. You see, back when I was building music electronics I was pained because I could not sell or even give my stuff away due to it being open framed and delicate for shipping and use. Now I can make any enclosure I want - do you want to put your circuit in a dragon or a boat or a goblet? How about a music note or an ancient instrument? How about making a tonal physical structure excited by your electronics with servos and speakers? Plus you can blow into it? All these things are now possible and more, just let your imagination run amok and I'll tell you how practical your design is!
Les |
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