Initial main legs setup.
Sizing up the 1x4's to make up the frame.
Gluing the foam layer with mucho 2x4 clamping..
Section attachment point. I'll be adding handles to the bolts so they can be hand tightened. If you look closely you can see the two registration pins on either side: 1/2" dowels
Main Leg view. Legs are attached on a hinge so they can be folded up.
XtrkCad and a lot of scotch tape
The home-made marking tool. A washer, a bolt, and a grinder.
routing the lower level
Now you see it...
Now you don't. The new "valley" cutout
more risers glued in place
my foam cutting tool of choice :)
yard idea #3
yard idea #4
yard idea #5, based on #4