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Ceiling Mounted VR Support Rig

A support rig for VR to keep you in the same spot in real life as you walk in VR. Use this with my VR shoes.

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This project is for my support rig I created for my passive VR shoes. You can see it in action here.

More demos here.

Features

  • Full 360 continuous turning
  • Crouching (distance is adjustable)
  • Sitting (distance is adjustable)
  • Easy to turn while walking
  • Relatively quiet when walking
  • No welding required to build it
  • Low weight
  • Can be stored up along the ceiling

Not sure if you should build this rig or my free standing one? You can read my comparison of the two here.

Here is the BOM, with the total price for parts ranging from $208 to $290 as of the time of this writing (Apirl 4, 2022).

Scroll down or go here for build instructions.

To view the 3D model file you can go here. It opens up in Designspark Mechanical. This project is open-source so feel free to take the file and do whatever you want with it.

  • 1
    Before you start

    Prerequisite reading

    Before you buy the parts and tools to build this rig, please carefully read through the following.

    • By reading these instructions and/or building this VR support rig, you agree to my liability disclaimer.
    • Please read this log on if you should even build this rig and VR shoes.
    • This rig is meant to be used with my passive VR shoes. You'll need to build those too. You can read about those here.
    • This rig has a feature list on its project page, in the description.
    • I also have a free standing rig. You can read my comparison of the two here. The other rig might be better suited to your needs.
    • I used a specific half-body safety harness for my build (row 53 in the BOM). It couples to the rest of the rig in a specific way. If you use a different climbing harness with a different design, you may need to figure out a different way of coupling it to the rest of the rig.

    Again, please read everything above before you spend the money on the parts for this rig and the time building this rig. My setup is niche and not for everyone.

    3D printed parts

    I printed the parts out of TPU with these settings.

    • Layer height: 0.2mm
    • Perimeters: 3
    • Top and bottom layers: 3
    • Infill: 20% rectilinear

    Ready? Lets go!

    Here is the full BOM with all the parts, quantities, prices, and links to where to buy them.

    3D models for 3D printed parts, and the full design file, can be found here.

    You need a low ceiling, so a basement works best. In my case the distance between the floor and the ceiling is 7ft.

    You will need to drill into two beams in your ceiling.

    I encourage you to read through all the instructions here before you assemble anything to make sure you have a clear understanding of what each step's purpose is and how it fits into the whole assembly.

  • 2
    Measure the distance between beams

    Measure the distance between the beams in your ceiling. If you can't see the beams directly you'll need to use a stud finder.

    Find the distance between the center of one beam to the center of the other. In my case that distance is about 16in, for you it may be different. Also find the distance between the outer edges of each beam. In my case this was about 18in. Remember these two distances.

  • 3
    Cut angle and tube for ceiling brace

    You will be assembling the part of the rig, at the top, that is highlighted in the following image (has the orange lines around it). This is the part that is screwed to the beams in your ceiling.

    Take your 1in angle (row 2 in BOM) and cut 2 pieces, each piece should be as long as the distance between the outer edges of each beam. In my case, I cut 2 18in long pieces. 

    Take your 1in square tube (row 4) and cut 2 pieces. If represents the length of your angle pieces (18in in my case), then each square tube will be of length (X/2 - 0.5)in. So in my case, 8.5in. You will end up with something like the following image, only that your lengths may be different. Ignore the holes in the pieces for a second, we'll get to that. You are going to want a 1in square hole in the middle of the brace as I show in the image, which is how I derived the  (X/2 - 0.5)in equation.

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