Mute — Progressive Vibration Damping Feet (TPU)
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Most printed machine feet are just blocks of rubber. This one is a spring.
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The body is a lantern spring: ten vertical leaves in a barrel-shaped wall. Under a light load the leaves bow outward and the foot stays soft, so vibration gets absorbed instead of travelling into your desk. Load it more and the leaves bow further, which makes the spring progressively stiffer — so it damps without ever feeling wobbly. A solid rubber block can't do both.
Two versions, because one spring can't serve a 3D printer and a washing machine.
Version | Wall | Leaves start to flex at | Suits |
|---|---|---|---|
Light | 1.6 mm | 8–14 kg per foot (33–56 kg on four) | 3D printers, speakers, consoles, monitors, small appliances |
Heavy | 2.4 mm | 28–47 kg per foot (113–188 kg on four) | Washing machines, dryers, fridges, heavy cabinets |
Those figures are calculated from the leaf geometry (Euler buckling, fixed-fixed, assuming 15–25 MPa for TPU 95A). They tell you where the spring starts doing its job. Print one foot first, put your machine on it, and check it settles roughly 1–2 mm. Barely moves? Take Light. Squashes flat? Take Heavy.
Details
Ø52 × 40 mm, about 25 g per foot
Ø32 mm dish with eight fins that centre machine feet from Ø15 to Ø31 mm; a flat rail or frame edge simply rests on the rim
Ø16 mm bore straight through — it's an air path, so the cavity can't act as an air spring and cancel the damping, and you can run a zip tie through it to lock the foot to a frame
Three concentric anti-slip grooves in the base, 0.9 mm each
Print settings
No supports, and no bridging anywhere in the model — the slots are deliberately vertical for exactly this reason. A helical spring would look prettier but rarely survives in TPU
0.2 mm layers, 15% infill
Enough perimeters that the leaves print solid: 4 walls for Light, 6 for Heavy at a 0.4 mm nozzle
Slow, 20–30 mm/s. Direct drive strongly recommended
95A TPU is the sweet spot. Softer (85A) makes it too squishy for anything heavy; harder (98A) loses most of the damping