FabHydro: Printing Interactive Hydraulic Devices with an Affordable SLA 3D Printer
summary
FabHydro demonstrates printing sealed, deformable hydraulic devices on an off‑the‑shelf SLA printer using flexible resins (F39/F69) and custom panel supports that prevent demolding failures, claiming SLA is ~1000× cheaper than prior industrial inkjet approaches. Two sealing techniques are proven: Submerged Printing for one‑off sealed parts and Print with Plug for modular fills. Printers produce 3 mm minimum internal tubes and up to 4.18 m of continuous tubing; working prototypes include a folding lamp, a remote robotic gripper, and a toy elephant.
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chapters (12)
- 0:00Introduction to FabHydro
- 1:07Comparison with prior work
- 2:14Key technical contributions
- 3:21Material flexibility challenges
- 4:04SLA printing process adjustments
- 5:10Sealing liquid inside prints
- 6:19Two sealing methods compared
- 7:02Hydraulic device design space
- 8:26Actuator and valve designs
- 9:10Application demos
- 10:36Future design toolkit
- 11:01Summary and conclusion
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