Stewart Platform Wields Magic Fingers To Massage Your Scalp

Focus Hackaday editors: We on the crafting crew hereby formally ask for spending plan allocation for setting up a Stewart system head massager on the chair of each individual workstation in the secret underground writer’s bunker. We imagine the gains that will accrue thanks to lessened worry by yourself will extra than justify the modest upfront costs. Thank you for your consideration.

Alright, perhaps that request is likely nowhere, but owning been on the acquiring close of these strangely enjoyable springy scalp stimulators, we can see in which [David McDaid] was going with this undertaking. As he plainly states up front, this is a ridiculously about-engineered way to get your scratchies on, but there’s extremely tiny not to love about it. Stewart platforms, which can placement a surface with six degrees of freedom and variety in dimensions from simple ball balancers to entire-blown motion simulators, are fascinating units, and we can’t consider of a much better way to discover about them than by constructing one.

Like all Stewart platforms, [David]’s is mechanically simple but kinematically difficult, and he can take wonderful pains to determine out all the math and reveal it in an approachable fashion. The product is mounted with the finish-effector pointed down, allowing for the supposed massagee to insert their noggin into the enterprise stop and get the therapeutic massage pattern of their preference. Seeking at the GIFs down below, it’s effortless to see why [David] favors the added complexity of a Stewart, which would make intriguing patterns like “The Calmer” attainable. They are all intriguing, while the fewer reported about “The Neck Breaker” the far better, we’d say.

Hats off (lol) to [David] for this unnecessary complex but entertaining construct.