What's the easiest minimalist way to rig a suspension?

First connect one rope to a solid structure (such as a ceiling beam or a tree branch). To that, connect the suspension frame/rig at height where the suspendee will be off the ground, but is low enough that they can step off a chair or a table beneath them can be lowered. When the suspension is over, they step back onto the chair. What's the best way to rig an indoor suspension? Connect your rigging to one or more solid points of the building's superstructure, for example by placing a sling around an I-beam or by setting permanent points in wood or concrete buildings. As always, it is best to rig for at least three times the amount of weight you are expecting to hold. What's the best way to rig outdoors from a tree? Trees are simple in that slings can easily be wrapped around large branches. Once the slings are in place, a block and tackle or hoist can be easily attached. What's the best way to rig outdoors in a flat area (ie. nothing to hang from)? You will need to erect some form of ...