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Do you need to clean up a 3D scan, do some 3D printing, or design an object that fits something else? Meshmixer can help. Think of it as a sort of "Swiss Army Knife" for 3D meshes.

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Meshmixer - Online Courses, Classes, Training, Tutorials on Lynda

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Learn how to use Meshmixer, from beginner basics to advanced techniques, with online video tutorials taught by industry experts.

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Scientists at the University of Oxford have developed a new method to 3D-print laboratory- grown cells to form living structures.

The approach could revolutionise regenerative medicine, enabling the production of complex tissues and cartilage that would potentially support, repair or augment diseased and damaged areas of the body.

In research published in the journal Scientific Reports, an interdisciplinary team from the Department of Chemistry and the Department of Physiology, Anatomy and Genetics at Oxford and the Centre for Molecular Medicine at Bristol, demonstrated how a range of human and animal cells can be printed into high-resolution tissue constructs.

Interest in 3D printing living tissues has grown in recent years, but, developing an effective way to use the technology has been difficult, particularly since accurately controlling the position of cells in 3D is hard to do. They often move within printed structures and the soft scaffolding printed to support the cells can collapse on itself. As a result, it remains a challenge to print high-resolution living tissues.

But, led by Professor Hagan Bayley, Professor of Chemical Biology in Oxford's Department of Chemistry, the team devised a way to produce tissues in self-contained cells that support the structures to keep their shape.

The cells were contained within protective nanolitre droplets wrapped in a lipid coating that could be assembled, layer-by-layer, into living structures. Producing printed tissues in this way improves the survival rate of the individual cells, and allowed the team to improve on current techniques by building each tissue one drop at a time to a more favourable resolution.

To be useful, artificial tissues need to be able to mimic the behaviours and functions of the human body. The method enables the fabrication of patterned cellular constructs, which, once fully grown, mimic or potentially enhance natural tissues.

Dr Alexander Graham, lead author and 3D Bioprinting Scientist at OxSyBio (Oxford Synthetic Biology), said: 'We were aiming to fabricate three-dimensional living tissues that could display the basic behaviours and physiology found in natural organisms. To date, there are limited examples of printed tissues, which have the complex cellular architecture of native tissues. Hence, we focused on designing a high-resolution cell printing platform, from relatively inexpensive components, that could be used to reproducibly produce artificial tissues with appropriate complexity from a range of cells including stem cells'.

The researchers hope that, with further development, the materials could have a wide impact on healthcare worldwide. Potential applications include shaping reproducible human tissue models that could take away the need for clinical animal testing.

The team completed their research last year, and have since taken steps towards commercialising the technique and making it more widely available. In January 2016, OxSyBio officially spun-out from the Bayley Lab. The company aims to commercialise the technique for industrial and biomedical purposes.

Over the coming months they will work to develop new complementary printing techniques, that allow the use of a wider range of living and hybrid materials, to produce tissues at industrial scale.

Dr Sam Olof, Chief Technology Officer at OxSyBio, said: 'There are many potential applications for bioprinting and we believe it will be possible to create personalised treatments by using cells sourced from patients to mimic or enhance natural tissue function. In the future, 3D bio-printed tissues maybe also be used for diagnostic applications -- for example, for drug or toxin screening.

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stem cells; immune system; prostate cancer; biotechnology and bioengineering; biotechnology; developmental biology; biochemistry; 3-d printing; medical technology

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3D printing living tissues to form living structures

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Scientists have developed a new method to 3D-print laboratory- grown cells to form living structures. The approach could revolutionize regenerative medicine, enabling the production of complex tissues and cartilage that would potentially support, repair or augment diseased and damaged areas of the body.

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You can get a free membership login with the public library.

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Learn 3D modeling in Tinkercad, the free online app for anyone who wants to get started in 3D design and CAD.

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Check out this Link for 3D Printing Lesson Ideas.

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Check out this Link for 3D Printing Lesson Ideas.

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Free Lynda.com Membership with Public Library (link) here.

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Free Lynda.com Membership with Public Library (link) here.

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Explore Lynda.com's library of categories, topics, software and learning paths.

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Getting Started with Tinkercad (22.28 Min.)

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Getting Started with Tinkercad (22.28 Min.)

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Getting Started in Tinkercad: A Tutorial for Complete Beginners

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Tinkercad 101 (6:48 Min.)