10/31/2022 0 Comments Sisyphus kinetic art table![]() ![]() In a well-designed tank, nitrites will be consumed by plants, and the tank can run for months without the need for water changes. Experience kinetic art, technology, and design merged in stunning meditative beauty in your. The final stage is biological which represents all of the nitrifying bacteria that convert waste byproducts into less harmful compounds like nitrites. The next stage is usually chemical which takes the form of things like activated charcoal that removes chemicals and impurities from the water. Mechanical filters usually take the form of open-cell foam which separate large particulate matter from the water. The table top is preloaded with up to 30 different design tracks that automatically start once plugged in, but through the app, you can get more than 550 tracks shared by other users around the world. On a basic level, there are three levels of filtration in most fish tank filters: mechanical, chemical, and biological. The dynamic kinetic art of Sisyphus Mini Executive Tabletop can be set up using Sisphus App. All of the hardware components were designed around this tank geometry. The tank itself is an off-the-shelf 12” x 12” Acrylic Cylinder. Stationary water isn’t great in a fish tank, so the air pump routes to a bubbler inside the tank which circulates the water. The final part attached to the base is a Tetra air pump. I had to extend the vice jaws upwards with plates of aluminum so that the jaws were proud of the midpoint of the PVC. I cut the PVC pipe on a horizontal bandsaw, and to my knowledge it holds the record for the largest part cut on my company’s bandsaw. The bottom of the system is CNC routed acrylic, and the base for the fish tank is a 12” diameter piece of schedule 80 PVC pipe. Sandify outputs a file with a theta rho coordinate pair, and a script that I wrote manipulates it into gcode that’s usable on Sisyphish. Paths for this machine are made using Sandify. I can upload my modified polar gcode files to the octopi server and run the machine headless. ![]() The Einsy Rambo uses a Raspberry Pi running Octoprint as a host. #SISYPHUS KINETIC ART TABLE DRIVERS#TMC drivers with StallGuard allow me to home the rho axis without the need for additional hardware limit switches. One challenge with designing this gantry was eliminating wires routing to any of the rotational stages as that would necessitate adding slip rings to the design. I had the board leftover from a previous build, and it has TMC stepper drivers on board which support StallGuard. The axes are driven by stepper motors running on a Einsy Rambo board. ![]()
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