Here is our Round Wall Mount clock, fully 3D printed and what you need is a clock movement kit that cost $2-$4 in Amazon or eBay. You can custom or build your own clock arms.
Clock Movement Kits:
https://www.amazon.com/Plaid-Clock-Movement-12766-4-Piece/dp/B00JR22ZAK/ref=sr_1_19?s=arts-crafts&ie=UTF8&qid=1525804134&sr=1-19&keywords=Clock+Movement+Kit
