The Grant Museum is nearing the end of a major project to restore 39 of its largest and most significant skeletons to their former glory with the main focus being the quagga specimen – which is one of only seven quagga skeletons to survive globally.

Records suggest the last living quagga died in 1883, having been hunted to extinction by farmers and skin-collectors, with Grant Museum specimen the only one on display in the UK, with one of its legs missing since World War II.

The Grant Museum, working with the Royal Veterinary College (RVC) and the Bartlett Manufacturing and Design Exchange (B-made) at the UCL Bartlett School of Architecture, has rebuilt the 19th century skeleton using 21st century science. The one remaining right hind leg was scanned in a CT machine at RVC, a precise mirror-image of the resulting data was then created, perfectly replicating the missing left leg on the screen.

This computer image was then modelled in solid nylon using a 3D-printer at B-made, to recreate the bones of a long extinct species. Specialist skeleton-preparator Nigel Larkin then articulated the printed bones to make the historic skeleton complete once more.

The reproduction of the missing leg was the final step in a major undertaking to restore the Museum’s invaluable specimen. As part of the Bone Idols project, the quagga skeleton was completely disassembled and cleaned of over 100 years of ingrained grime (the Museum is one of the oldest in the country and used to be lit by oil lamps). Its breast bones had been oozing black fatty deposits, which have now been removed.

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“Because of its age the quagga was in a pretty poor state, particularly for such an irreplaceable object,” said Museum Manager Jack Ashby. “Through our Bone Idols project, we have worked with specialist bone conservators to restore the skeleton to ensure its long-term survival in the Museum.”

The skeleton was first mounted onto an iron frame in 1911, with five other skeletons at a cost of just £14. The neck was on upside down and the legs didn’t fit into their sockets. Since then the spine had sagged under its own weight. The project has rebuilt the quagga in an anatomically correct position on a skeleton-friendly frame.

“It will now be enjoyed by visitors, students and researchers for decades to come,” said Ashby. “We are so delighted that we’ve been able to give it its missing leg back. Not only does it add a fantastic chapter to a specimen with so many stories, but the new leg also makes the whole skeleton more stable. Try balancing on three legs for 100 years.”

There are many parts to the quagga skeleton’s story and its significance was only confirmed in 1972 when the Grant Museum’s two “zebra” skeletons were closely studied. This one was verified as an extinct quagga, while the other was downgraded to donkey. Throughout the Museum’s history these two specimens seem to have been confused a number of times. Newly uncovered archives suggest the quagga arrived in 1911, thirty years after the species became extinct.

Where its leg went is another mystery, and the archive has many letters from previous curators to museums across the country trying to track it down. The quagga now stands on four feet again, even if one of them was built by computers.

To date the Museum has raised more than £20,000 to fund the Bone Idols project with 31 of the 39 specimens have so far been conserved, including the Museum’s largest skeleton – the (hornless) Indian one-horned rhino skeleton, the skull of a giant deer and endangered chimpanzee skeletons.

More details of the Bone Idols: Protecting our Iconic Skeletons project and how you can support it, can be found here.

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The three-legged quagga before its restoration. MianThe Grant Museum at UCL’s quagga skeleton, one of only seven remaining globally, which has had its missing hind leg replaced by 3D-printing