I often switch to this knee chair because it helps to realign my spine for under 2hrs by shifting 70% some of my hip force to my knees.. I don't know how the "anti-gravity" interpretation became popular; I "believe" gravity is still in effect. I bent it backwards to gain a few inches of throw distance, with about 8 inches horizontal length. It was called the "Flogiston Flostation" - it was designed as a virtual reality platform. I designed the mount with about 8 inches of height above the top of the chair to make sure my noggin did not block the projection. Share it with us! The laser projector had a strange resolution MP-CL1A: 1920/720 which made text blurry, and there was a "sparkle" that was rather distracting. If you can figure out how to make such plastic capable of back projection, then a decent compromise might entail doing something like you are currently doing, but make it wider - some crazy aspect ratio (32:10 or something like that), then "bend" the projection surface into a curve - almost like a personal Cinerama screen. Maybe using the hack of half bowl/cups to project laptop sound could be applied to direct the fan noise away. I considered many different materials before settling on bamboo to support the screen. Reply The chair was custom designed as an "anti-gravity" chair (there wasn't anything like it on the market back then) - using ergonomic data measurements of the human pose when relaxed in micro-gravity (like in space). Stereo speakers and base shakers allowed for further immersion. The combination of price, stiffness and lightness make bamboo great building material, and well suited to this project. We have seen a massive shift towards standing desks, which help alleviate some people's chronic pain. The solution I found is only really recently practical due to new video projectors that have are sufficiently light and high resolution. Some years ago, a coworker welded together an elaborate contraption with counter-balanced weights to allow him to easily work at the computer from a reclining position without back pain. which projector did you use, do you have any problem reading fine print from the computer or eye strain with it and what is the bulb life? I already have ideas for V2 (see the last step). All of the designs that I had seen required a massive support system and motors or actuators to keep the the computer screens suspended in front of the worker. I got the, Angle grinder with zip-cut, sanding and grinding attachments. I even figured out how to use a standing option using this configuration. Actually this newest generation of small projectors give off way less heat (bulb is good for 30,000 hours). There is nothing like reviewing a report while lying comfortably back; almost like you were at the beach! These are for the dowels that will support the keyboard tray in the standing work position. It is difficult to type while laying down given how the keyboard is flat, I can type pretty accurately, but I still have to look down for special characters. 2 x 4 feet long peices of bamboo, or pvc, or carbon fiber tubing (light and stiff), Computer, wireless mouse and keyboard. Posted on June 24, 2020. I drilled a hole about 3 inches from the end of each pole and inserted them in the supports. I might incorperate this for my gaming rig :D. Sure, this could help a bit, but I suspect you are better off choosing the projector wisely (more options are coming shortly). I wanted to have the bamboo poles seated onto two angled steel bars, cantilevered in such a way that the screen can swing up and out of the way for entry and exit. Relaxation and meditation were other themes being touted as uses for the chair. Bouncing screens is not actually a problem because the projector is stable and your eye is not that distracted. Ergoquest and Altwork are some of the commercialized options available; these will set you back $5,000 to $10,000 USD which is beyond my budget. If I want to bang out an email, I just sit up, send, then lean right back. The main benefit of a single arm is easier entry and exit. I've often thought about how a setup like that would be great. Q: Doesn't it get loud and hot right near your head? Eye strain is a concern, I actually decided to upgrade projectors for this reason. i learned about spherical projection systems with my attempt at a heliostat. Thanks for the comment. A: Admittedly, you would have to spend 10 minutes explaining to everyone that walks by your cubicle. A: I rarely use the standing capability. Some years ago, a coworker welded together an elaborate contraption with counter-balanced weights to allow him to easily work at the computer from a reclining position without back pain. Attach your computer monitor to an articulated monitor arm. Most projectors are not meant to throw such a short distance. More than half of office workers will be affected by some form of back pain due to the imposed posture of traditional office furniture. Therefore with some background music, it is no more distracting than your laptop fan. I don't need brightness (in my face!) He said it's made a huge difference, and if he has a flare-up now, he recovers much faster. Tag: diy zero gravity workstation. A position where my head and shoulders are partially supported seems ideal for me and so I looked at some "lounging desk" options. For this project you will need the following items: You will also need some tools for this project. I sawed off the base of the tripod and attached it through the flat steel with a screw (see photos). They are set up about 2-5 degrees outward. This allowed some more experimentation with distance and angle of the screen. I have developed a nagging pain in my upper back that worsens when working long hours. The basic system was demo'ed at (IIRC) CES - I think at a booth for Intel or something like that. I then drilled two holes perpendicular to the first two that are perpendicular to the first two and very near the end. I covered and taped off the chair before painting the new metal parts and ugly welds with spray paint. You might be interested in something similar that was done a while back as part of NASA's "spinoff" program: https://spinoff.nasa.gov/spinoff1998/ch5.htm. Unlike many of my projects that end up in my reject pile, I use this almost every day for many hours (I am using it NOW) and fully expect to continue using it or an upgraded version. I simply cut the foam board to size then cut holes near where the poles hit the board. I can mouse in the laid back position no problem. Update. People who used the system reported that after a while, you felt disconnected from your body - a "free floating head" vantage point. If you don't see how this is important watch this video: changing positions takes time. If you google it, this is the chair the comes up... About: A lowly geologist who likes to build stuff. So the quest was to create a lounging workstation that could also be used as a standing desk for a fraction of the price. Basically forever. The optics on the projector are not great at such a close distance, so I have offset the screen to keep the whole image in focus. I tried a laser projector by sony that has no need for focus, but this was not ideal (next gen maybe). For that matter, you might be able to get away with your current system doing this; if you went with a higher-res projector (4k) and software-based warping using custom shaders (again, like is done for HMDs - not for individual eyes, but singular) - it would probably (maybe?) How to Turn a Zero-Gravity Recliner into a Workstation for Reduced Back Pain. ", http://www.amazon.com/Faulkner-40588-Executive-Recliner-Standard/dp/B0012VRPL8/ref=sr_1_1?ie=UTF8&qid=1337706980&sr=8-1, http://www.ergodirect.com/product_info.php?products_id=15714, http://www.amazon.com/XFX-FXGS2LAYER-WarPad-Edgeless-Support/dp/B005AT5VW8/ref=sr_1_49?ie=UTF8&qid=1337707774&sr=8-49. I didn't overly trim the vertical extent of the board, to give more flexibility to the position of the projection. Another future adaptation would be to use a single arm (carbon fiber or steel tubing); although this might make the screen a little more unstable. But for some people, this could mean the difference between working comfortably or not at all. I considered different materials for this component, and may go higher tech for the next version (foam board covered in carbon fiber) but I ended up using pine shelving. Love what you did! Happy new year. Be sure to take some time to get this right given your projector and mount setup (it helps to have a some extra hands here). Again: "The best position is the next position. A: This is a very relevant question, and points of concern as I was building. Diy Zero Gravity Workstation. I figured that if we could lighten the load from the screen then I could significantly simplify the design. However, the angle in the horizontal direction, or how far apart the supports are splayed play a key given the throw of the projector and distance to the screen. Placing the mouse pad on the chair arm caused my shoulder to be too high, leading to minor but persistent shoulder pain (impingement, "frozen shoulder syndrome"). It might be worth finding a more expensive chair designed to fit an ergonomic keyboard tray. Deep Hole in a Small Box, a Different Take on the Infinity Mirror. I am quite proud of the final product even if it still looks like a proof of concept. The bulb will last 30,000 hours, so 18 years at 8 hours a day on workdays. Anti-Gravity Workstation (with Standing Option): The human body was not designed to spend 8 hours a day sitting with our hands on a mouse and keyboard. work. 1 year ago. It is all about the marketting. Computer imagery was projected on the outside of a "dome" that went over your head. hy oh why did the marketing team get away with calling this an anti-gravity seat. He had this idea that there'd be special "arcades" where you'd go and pay to use these systems, and the chairs would even be mounted on motion bases to further immerse participants. ergonomic keyboard and mouse from Microsoft. The focus on mine is actually uneven for the first hour (edges a little fuzzy), but once warmed up it resolves itself. Thanks for the comment. We have se… Cool! He also supposedly sold custom built versions with all high-end equipment for the time (computer, audio, projector, etc), and outfitted the chair in leather. When it was first being developed, it was really rough; somewhere I have a copy of his old development website before Mr. Park got funding - images of the system with his projector balanced on a ladder in his living room. The tech will continue to get better, and I suspect lasers will be better going forward (no heat, high res, tiny). I am mulling a second version, but in the meantime this is fully functional. I also made some indentations for my forearms. The dome solution might be a more comfortable solution. I spent significant time trying to figure out the optimal position and angle (dip and azimuth) for these. Two holes on the bottom fit into the dowels on on the bamboo poles and a third hole fits a steel rod that holds it in place while working in the standing position. Q: Would you actually use this in an office environment? The big problem (well, expensive $$$ problem) is getting such a dome made for back-projection; it would likely need to be made from acrylic or polycarbonate, and both are going to be expensive out the gate (if you've ever priced clear plastic domes, you'll know what I mean). I really like this project. haha. I am somewhat a VR pioneer of sort as well. My big head is always leaning on the chair. I mostly work from home (awesome). It is easy enough to transition to standing, but it gives me pain in the lower back so I don't. 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