Screwed supports to base. Screwed spiral ramp to supports. Gave up on the fancy around-corners flexible drill extension; as it just can't apply...
Undone the tape and very carefully laid the spiral roadbed down on the supports, fiddling everything until it fits good. Everything is just...
Supports are resting on the Base, not screwed down. The spiral is duct-taped flat and gently placed atop everything. Next will be to undo the...
A closeup of Support #1, showing the space for the approach ramp.
Cut out each support, taking care to always stay on the outside of the pencil line, to ensure that all supports are consistent (so they're all...