I thought I’d model this to make out of wood. We got one for my wife when she was recovering from surgery out of tube steel. She still uses it and sets up her laptop on it while in bed.
I modeled this stand for my Dutch toolchest. By folding it will be easy to transport. The tricky part was aligning all the joinery so that it would fold up properly. Because of the different pivot points (center of Grommets) and the Slide, I had to separate copies of each component and place it in the folded position. The rotate tool doesn’t turn multiple pivot points and a slide at the same time.
There are a couple of articles on this style of 17th Century box commonly made in New England and England. One article is by Peter Follansbee in Fine Woodworking magazine and one recently by Shea Alexander in Popular Woodworking magazine. Mine is made to dimensions that can fit magazines inside. These boxes were commonly carved as the articles show. (Carving is not modelled here.) The one break I made from tradition is that I fitted the Bottom by tongue and groove joinery. Traditionally, they were nailed to the case. They were made out of riven oak, hence the light red tag.
This scene is an experiment to model chip carving. I will see tomorrow what kind of carving I can make with negatives like the ones in this skp of a scene.
I didn’t really finish all the carving I wanted to do, but my computer and SketchUp Go were having trouble with so much geometry. I would have added a diamond figure, texture between the flowers, and some trim for the rim of the Boarded Box Lid. Then, of course, I would move the carvings to the Boarded Box Front and lid.
After reading a thread about a canopy where @DaveR responded, recommending the use of follow me, I decided to model this six-sided bird house. This is another excuse to do some coopering with 30-degree bevels. The follow-me tool makes this a snap.
Kreg makes a Drawer kit for clamping false drawer fronts to real drawer fronts before they are screwed together with the right alignment and setting gaps evenly. I thought it would be a good exercise to model it as if it were made out of 3/8" plywood pieces. Of course they are made out or metal.
I found another field manual - Engineer Field Data - that had a table of safe load capacities with measures of hook eyes, throats, opening (from throat to end of hook), and overall length for a maximum safe load. The hook in this model has a safe maximum safe load of 1,200 pounds. I noticed the notes I made for the throat didn’t show. It is supposed to be greater than or equal too 11/16" thick.
This Tetrahedron is based on a figure in an Engineer Field Data field manual. It did not describe it or give details except for the overall dimensions in the first screenshot. I’m sure it is used as a temporary vehicular barrier. It then would probably be made out of angle iron.