The steel angle support frame for my new workbench.
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...
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...
Using the NMRA gauge to show the problem with a 1" wide spiral helix. In particular note how the left side of the gauge sits atop the line...
Crossing the vertical lines at the correct heights (triple checked!) for each loop. These horizontal lines will be the supports the sub-roadbed...