IUBio

[Annelida] microCT paper

Brian Paavo via annelida%40net.bio.net (by paavo from wormguy.com)
Fri Oct 6 18:59:22 EST 2017


G'day,

Thanks for doing the CT work!  I also think it's great that Eduardo 
brought up the 3D printing topic.  I've previously explored the idea of 
scaling up meiofaunal relationships (animals and sediment spaces 
connection) through 3D printing education materials.  In 
short...generally the answer is Yes...3D prints can be made from a 
variety of slicing photos and photo techniques, but touch up is pretty 
much always required.  CT scans can sometimes generate a mesh model 
natively, if not, perimeters can be converted to shapes. Even MANY good 
external shots can be photogrammetrically transformed and scaled to 
models which can be printed.


I have made a few printers and utilised much more professional 
equipment, and I encourage anyone to continue pursuing annelid 
models...it's been too long that bio classrooms have been dominated by 
the same clam, anemone, earthworm, grasshopper model!

Cheers!

On 4/10/2017 20:05, Julio Parapar wrote:
> Thanks for your nice words Eduardo!
> Of course this thechnique can be used with these kind of special especimens, but I'm afraid that CT images cannot replace the real animal in taxonomic work. In my opinion, no technique has been developed so far that can replace the careful study of the specimens under the microscope.
> About 3D printing ... no idea! But good idea to be explored! :-)
> Thanks again,
> Julio
>
> Dr Julio Parapar
> Dep. Bioloxía Animal, Bioloxía Vexetal e Ecoloxía
> Facultade de Ciencias, Universidade da Coruña
> Rúa da Fraga 10, 15008 A Coruña, España
> ORCID - http://orcid.org/0000-0001-7585-6995
> RESEARCHERID - http://www.researcherid.com/rid/J-4150-2014
> RESEARCHGATE - http://www.researchgate.net/profile/Julio_Parapar
>
>
> ----- Mensaje original -----
>
> De: "Eduardo Zattara" <ezattara from gmail.com>
> Para: "Julio Parapar" <jparapar from udc.es>
> CC: annelida from magpie.bio.indiana.edu
> Enviados: Martes, 3 de Octubre 2017 22:03:59
> Asunto: Re: [Annelida] microCT paper
>
> Dear Julio and colleagues,
>
> Fantastic work!
>
> Do you think this technique can be used with older museum specimens? It would be awesome to be able to non-destructively generate digital models of holotypes and paratypes that could save a lot of time, money and damage risk by avoiding the need to ship specimens around, thus greatly expediting systematic and taxonomic work.
>
> Another great use I see is that I believe these microCT digital objects can be readily converted into 3D prints.
>
> Congratulations and thanks for beautiful imaging :)
>
> Cheers!
>
> -Ed-
>
>
>
>
> "Only in silence the word,
> only in dark the light,
> only in dying life :
> bright the hawk's flight on the empty sky"
>
> --------------
> Dr. Eduardo E. Zattara
>
> Research Collaborator | Research Fellow
> Department of Invertebrate Zoology | Department of Biology
> National Museum of Natural History | Indiana Molecular Biology Institute
> Smithsonian Institution | Indiana University, Bloomington
>
> email: ezattara from gmail.com
> phone: +1 (812) 369 9301
> mail address: Indiana University, 915 E. Third Street, Myers Hall 150, Bloomington, IN 47405-7107
> http://www.researchgate.net/profile/Eduardo_Zattara
> http://invertebrates.si.edu/zattara.htm
>
>
> On Sun, Oct 1, 2017 at 8:37 AM, Julio Parapar < jparapar from udc.es > wrote:
>
>
>
>
> Dear all,
>
>
> An article was recently published in Zoologischer Anzeiger:
>
>
> Parapar, J.; Candás, M.; Cunha-Veira, X. and Moreira, J.
>
>
> Exploring annelid anatomy using micro-computed tomography: A taxonomic approach
>
>
> In case you would be interested, below you can find a link to free access the pdf.
>
>
> https://authors.elsevier.com/a/1VmFZA7vObqkn
>
>
> The best,
>
>
> Julio
>
> Dr Julio Parapar
> Dep. Bioloxía Animal, Bioloxía Vexetal e Ecoloxía
> Facultade de Ciencias, Universidade da Coruña
> Rúa da Fraga 10, 15008 A Coruña, España
> ORCID - http://orcid.org/0000-0001-7585-6995
> RESEARCHERID - http://www.researcherid.com/rid/J-4150-2014
> RESEARCHGATE - http://www.researchgate.net/profile/Julio_Parapar
>
>
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