My first violin V2

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Petr Krejci

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Apr 17, 2021, 2:25:32 PM4/17/21
to OpenFab Violin Builders
Hi,

I have made my first the violin.  It is great ...

I have also started research, which material and printing settings are the best.

Until now is the best configuration Nr. 3:
IMG_20210417_193641.jpg

My research data you can find on:

My daughter is a violin player, so I have private tester. :)

Peter

Rick Extrordinaire

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Apr 17, 2021, 7:42:47 PM4/17/21
to Petr Krejci, OpenFab Violin Builders
How does she rate the sound?

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Petr Krejci

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Apr 18, 2021, 2:05:55 AM4/18/21
to OpenFab Violin Builders
I recorded a sound in Audacity software and made spectral analysis for each string separately. From this I took the level for frequency of string.

My daughter only give me her opinion for  playing.  The fingers are on right positions... The string has right height from the neck ... All this are rather depended on composing of violin.

But one of the most important  thing by her is the  look. When she would was young (8y) and this she brought this to class, then she would be hero ..

David Perry

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Apr 19, 2021, 6:29:28 PM4/19/21
to OpenFab Violin Builders
"she would be hero" -- I LOVE IT! Yeah, if I had one of these when I was in my school's orchestra I could have totally turned my reputation around... :-) haha maybe not! 

Your builds look great, and these are the first V2 Modular Fiddles I have seen!

What microphone are you using? I have noticed that the difference in sound between my instruments is now too subtle to hear on my camera's mic, so I am thinking about buying a decent microphone.

Peter, would you like to print a V1 neck and body and test that? I would be very interested to see how it compares to the V2 violins you have put together here if you are interested. No pressure.

-David

Petr Krejci

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Apr 20, 2021, 3:27:49 AM4/20/21
to OpenFab Violin Builders
Microphone: SUPERLUX E431U, I bought it for distance learning on  art school . It was recommended.

Okay, I'll print V1 for future comparisons. I have to say that V1 is more beautiful for me, but it's not on Thingiverse.

I will print from HIPS for the first time, but I have a very big problem with warping. I don't have a complete cover for the printer, I only have walls.
HIPS have a lower density than PLA, butgreater stiffness, it should have similar to CFPLA. I will see.

-Petr

Petr Krejci

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Apr 20, 2021, 12:40:34 PM4/20/21
to OpenFab Violin Builders
Added version with HIPS neck. The weight  is similar to wooden violin
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