The wing stand was made entirely out of 1x4 inch lumber.
Kreg self-tapping screws were used.
End view
Stand is place on dolly for ease of movement ... sling is visible
... Warning don't bang Clecos against something!
In this view, the slings have not been adjusted to lift the wing.
Place verticals to avoid conflict with Clecos.
Sling adjustment completed.
(Surplus vertical blind pieces were used for slings.)