SLM 3D Printed Tumbler Toy, A Roly-Poly Egg For Children

SLM 3D Printed Tumbler Toy, A Roly-Poly Egg For Children

facfox-case-study
Process 3D Print
Material Metal
Quantity 1 pcs
Price Range $1-100
Lead Time 5 workdays

Gallery

About Project

A roly-poly toy, round-bottomed doll, tilting doll, tumbler or wobbly man is a round-bottomed toy, usually egg-shaped, that tends to right itself when pushed at an angle, and does this in seeming contradiction to how it should fall. The toy is typically hollow with a weight inside the bottom hemisphere. The placement of this weight is such that the toy has a center of mass below the center of the hemisphere so that any tilting raises the center of mass.
A toy designer wanted to print a batch of metal roly-poly/tumblers and found us to make this kind of iron eggs. The bottom of the toy is solid while the upper part is hollow mesh, and the mesh is only 0.2 mm thick.

Solution

  • Step 1: 3D modeling based on the blueprint.
  • Step 2: 3D printing with an SLM 3D printer and the stainless steel powder.
  • Step 3: Post-processing like support removal, sandblasting and polishing.


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