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Bb3 Trumpet Oval-shaped / Fish-shaped (Trompette Si bémol 3 en forme ovale, forme de poisson)

by poulphunter, published

Bb3 Trumpet Oval-shaped / Fish-shaped (Trompette Si bémol 3 en forme ovale, forme de poisson) by poulphunter Dec 17, 2013
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3360Views 2006Downloads Found in Music
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Summary

It's a piece of my project : http://www.openbrass.org

The bell was based also on the paper :
"Trumpet with near-perfect harmonicity: Design and acoustic results"
Based on other acoustics studies, i have made some changes such as thickness, sleeves, ...

Ce modèle est une partie de mon projet : http://www.openbrass.org

Le pavillon a été basé sur l'étude : "Trumpet with near-perfect harmonicity: Design and acoustic results"
J'ai fait quelques changements par rapport à la trompette d'origine en me basant sur des études d'acoustiques comme l'épaisseur, les emmanchements, ...

Youtube demo :
https://www.youtube.com/watch?v=NvPm9aHb9AQ
https://www.youtube.com/watch?v=_SHB_CY29JQ

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3360Views 2006Downloads Found in Music
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After I print this would I need an extra component or will this just works when printed same as in the video ?

With a good 3D printer, you will need to assemble pieces together before it works. Some people sent good feedback with PLA.
The instrument in the video was very bad printed, it had air leaks after printing and we had to correct it. It was ABS printed, so we correct it with acetone (it's a rescue solution but we don't recommand it).

how long does this take to make overall? are any parts over 7x7x7 inches?

It's okay for 7x7x7, it will take as other models 7-15 day depending of your 3D printer, some people may print it in near one day (with large bed size 3D printer).

how long does this take to make overall? are any parts over 7x7x7 inches?

I am currently working on an instrument generator for the brass family whose trumpet in B flat is now a part.
I need more funds to make valves and improve my work.
Everything will be given in public domain license like the OpenSCAD files (now it is a library).
News will be on http://www.openbrass.orghttp://www.openbrass.org

I am currently working on an instrument generator for the brass family whose trumpet in B flat is now a part.
I need more funds to make valves and improve my work.
Everything will be given in public domain license like the OpenSCAD files (now it is a library).
I therefore appeal for donations in order to finish this work and provide quality documents.
So you can see my project on the crowdfunding plateform : http://www.kisskissbankbank.com/openbrass-print-a-trumpet-or-other-brass-instrument-with-a-3d-printerhttp://www.kisskissbankbank.co...

Great project! Is the OpenScad source available?

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