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Three year old Marla was born without a left hand.

Joanne, Marla's mother:

"We've always been keen on giving her the option of having one (a 3D hand.) There's nothing that Marla can't do, that other kids her age can do.

"With the 3D prosthetic there is a psychological boost that you get.

"These things can be printed in any colour. The 3D printed ones cost about 拢30 to produce."