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Froggy: the 3D printed ball-jointed frog doll

Creation quality: 3.9/5 (10 votes)
Evaluation of members on the printability, utility, level of detail, etc.

3D model description

Here is my first ball-jointed doll. I have always been fascinated by these but shocked at the prices they command. When the excellent Sonia Verdu uploaded her beautiful Robotica, it inspired me to make my own doll for 3D printing. Whilst Froggy is not a derivation of any of her work, I should give Sonia credit, because if I hadn't had her work to refer to, it would have taken much longer to design this frog.

I made a prototype of Froggy back in February and took two prints to MRRF, where he generally got a positive response. After MRRF, I went to stay with my cousin and his family in Chicago for a few days, where my two "nieces" gave me detailed feedback on what they would change.

I returned home and left Froggy alone whilst I worked on other projects but I eventually returned to him and decided to add in the following features:

1) People will try to pose a doll like a human if it looks even slightly human. The original froggy was designed to move like a frog, so I humanised his proportions and movements. He can sit up and stand by himself. His head twists and is angled like a person's.

2) My mum suggested movable eyes, so I thought I'd see if I could do this. Hooray! I could.

3) He has jointed and posable fingers. Sometimes I just like making things difficult for myself:-)

He isn't the easiest model to print and assemble, but I really enjoyed making him.

He was modeled using a mixture of Solidworks and Maya.

3D printing settings

3D printer file information

  • 3D design format: STL Folder details Close
    • body.stl
    • brace.stl
    • chest.stl
    • elbow.STL
    • eyeball.STL
    • eyeball_pupil.STL
    • finger_lower.STL
    • finger_middle.stl
    • finger_top.stl
    • forearm.stl
    • froggy_assembled_FOR_REF_ONLY.stl
    • hand_ball.STL
    • head.stl
    • hip_joint_lower.stl
    • hip_joint_upper.stl
    • knee.stl
    • left_foot.stl
    • left_hand.stl
    • left_thigh.stl
    • left_upper_arm.stl
    • lower_leg.STL
    • neck_ball.STL
    • neck_threads.STL
    • right_foot.stl
    • right_hand.STL
    • right_thigh.stl
    • right_upper_arm.stl

    Learn more about the formats

  • Last update: 2016-04-28 at 16:37
  • Publication date: 2015-06-16 at 11:01




British techie (now 3D artist and designer) living in Texas since 2013. Owner of various open source printers. Love of assemblies, automata and support free models.

If you need to contact me directly, please do so via Twitter:

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