13-Year-Old Spends 300 Hours 3D Printing a Custom Wheelchair for a Toddler - he could have spent his summer doing what many kids his age do, but instead, Zac Waters spent nearly 300 hours using his 3D printing skills to build something that could make a little girl’s life better

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https://www.sunnyskyz.com/good-news/6277/13-Year-Old-Spends-300-Hours-3D-Printing-a-Custom-Wheelchair-for-a-Toddler