notes that while the tritium glow is disappointingly dim, the device does make a good nightlight.
It’s a fun trinket that would be perfect as a MacGuffin in any sci-fi film with a weak plot. With the inner frame held inside the outer with the vials acting as structural supports, the inner and outer surfaces are then fitted with semi-transparent mirrored acrylic, creating a nice infinity effect. These vials use the radioactive decay of tritium with a phosphor coating to create a dim glow which lasts approximately a decade. Both frames have holes which are designed as a friction fit for off-the-shelf tritium vials. The build starts with a 3D printed inner and outer frame, sourced in this case from Shapeways in nylon. was interested in the geometry, and decided to build a tesseract featuring everyone’s favourite isotope of hydrogen, tritium. Mortals in this universe find it difficult to contemplate four-dimensional geometry, but there are methods of making projections of such heretical shapes in our own limited world. Posted in 3d Printer hacks Tagged 3d printing, hypercube, tool changerĪs the cube is to three dimensions, the tesseract is to four. Meanwhile as far as tool changers go, we’ve been there before in great depth. The printer carriage has a magnetic coupling that can pick up or disengage a hot end from its receptacle at will, as can be seen in action in a short video clip.Īll the parts can be found on Thingiverse, and there is a photo album with plenty of eye-candy should you wish to see more. On the rear upper rail are a couple of receptacles with metal locating pins onto which a hot-end unit can be slotted. Best of all, she tells us it only cost her $20 to make.įor those not familiar with Hypercube-style printers, they have a roughly cubic frame made using aluminium extrusion. has taken the final route with her Hypercube, and her Doot Changer allows her to print in two materials with ease. There are printers with multi-way hot ends, add-ons that change your filament, or printers with tool changers, that swap hot ends as needed. One of the Holy Grails of desktop 3D printing is the ability to print in multiple materials, for prints that mix colours or textures.
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