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ElViolin

by Stepan83, published

ElViolin by Stepan83 Mar 29, 2015
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Summary

First of all great thanks to the project F-F-Fiddle (http://www.thingiverse.com/thing:219040) for idea of the violin printing.
But after some time I decided to draw my own electric violin which will be more look like classic violin and also will use some classic violin parts.
Violin was printed on Prusa i3 printer from PLA plastic. All violin parts are constructed with sizes suitable for printer bed 200 x 200 mm. Sizes of violin are close to classic violin 4/4. Strings, bridge, shoulder rest, chinrest are classic violin parts. Sound pickup with preamp were bought on ebay (you can find it by search words "electric violin pickup"). Pegs of violine were borrowed from guitar parts.
Here is shot video about it http://www.youtube.com/watch?v=3aOdIlK4IfM

Instructions

Assembly of violin
http://youtu.be/vwLUZtvNNxM

materials list:
Printed parts - 5pcs
bridge - 1pcs
sound pickup - 1pcs
electronic preamp - 1pcs
guitar pegs - 4pcs
metal rod M8x370 - 1pcs
screws:
m4x25 - 9pcs
m4x50 - 1pcs
m4x40 - 2pcs
m3x8 - 4pcs (for pegs)
m2x10 - 4pcs (for electronic preamp)

nuts:
m4 - 12pcs
m3 long nut - 4pcs for hot installation in holes (for pegs screws)

m2x10 - screws for electronic preamp I melt it directly in plastic

Plastic parts I print from PLA with Prusa I3 printer. I'm using slicer Slic3r with fill density 10% but probably with 20-30% sound will be better.

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Hi Stepan83,
I have some questions and some ideas:

  1. I think the weight can be lowed by many ways.
  2. Are the pieces of ElViolin1 and ElViolin2 compatible? I like the shape of the first and second part of ElViolin2 but the 3rd part from ElViolin1. The large and flat neck and the rounded bottom are beautiful. And makes the body more smooth.
  3. Also I want to ask: Why every 3d printed violin designer build the front cross? (my_violin_p3_4.STL in your case) Who does really find it useful for finger guiding? I'd like to take it out and cover the holes of the screws. In any case it could be printed within the part 1. And only the right side to make it some grams lighter.

Thanks for read me.
Congratulations and best regards

anyone made this on a makerbot replicator? I am in need of a minimilistic design which parts can be printed under 6 hours, as that is my given time limit to print anything 3d. Please help.

I've been working on one of these and have one big question/concern so far. Do the walls of the neck print really need to be 5mm thick? This results in an almost solid neck. Which is feeling pretty hefty at this point. I am printing it vertically (in translucent PLA) for most interesting aesthetics, but if anyone has recommendations on the lightest combination of setting for solid performance I'd love your feedback.

Hi Stepan, thanks for this great design! I wonder how the bridge sits on the body -- the bridge feet are angled to sit on a curved violin body, but this one is straight. Am I right in thinking that little strip of orange in your pictures is sitting below the bridge to support it? If so, does the piezo go underneath it or on top of it?

I tried both options mounting of bridge, underneath it and on top of it, and didn't see big difference in sound. Orange strip I print from PLA.

nice job. I will try to print it
how much is its weight?

Hi, I'm having a hard time figuring out where I should solder the Piezo pickup. Does anyone have a picture? I have the same pre-amp pickup. Thanks!

I have the same issue. Bought the pickup on eBay, but it has no instructions and none of the pins on the circuit board are marked as the pickup connection. Did you find the answer?

I didn't have my violine right now at hands but I found and added to the project description the photos of pickup-preamp connection from internet.

Thank you that's really helpful. I see now they're labeled + and -.

hi, first off congratulations. what a great job on this project. how much harder would be to make it a 6 or 7 string. or if you have any link if it has been done. thank you

The problem is only how to fit pegs in back part. They are pretty big. 7 strings in this construction impossible. 6 strings... what distance should between strings be?

Comments deleted.

Could you post links or good search text phrases for the pre-amp, pickup and specific tuning machines you used?
I'm having a hard time figuring out how some of these parts fit to the printed bits. Thanks for your design.

nicey done ! I really like the shoulder rest !
What is the yellow part near the neck ?
I was wondering about the weight of the violin ?

It's quite heavy ~800g vs weight of my classic violin 570g. Most weight is plastic (weight of only yellow parts is ~180g, metal rod inside ~80g).
Yellow part is PLA plastic printed also.

Wow, that is pretty heavy, with only 10% of infill ! Do you have any idea on where to remove some weight ?

Actually, before your question I thought that it's because of thick rod. But after measurements it became not so heavy as expected. In any case it possible to use thinner rod. Rod is needed only for good docking of neck parts, it hasn't big influence at inflexibility of neck. Probably it have sense to change shape of orange shell (like in NS Design NXT 4) but I think after that I will wish to change all construction of violin :-)... But not soon.

AWESOME! I like your design, and I'm very happy that the F-F-Fiddle could help you accomplish it! Sounds good, too -- nice tone. That's 75% the player, though. :-)

First off, this is awesome! Great work.
Could we get some instructions please.

Please, look update. Don't hesitate to ask more.

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