Parametric Dovetail Markers

Inspired by [Dovetail markers for Woodworking by sablebadger](https://www.thingiverse.com/thing:252544), this is a rather too-complete set of dovetail markers. All of these are 25 × 50 mm. Designed and made for Richard W. at [The Unplugged Woodshop](http://www.theunpluggedwoodshop.com/), Toronto.

Print with 2–3 shells and with the label side down to get a smooth edge for marking.

The OpenSCAD model takes an absurd amount of time to render because the labels are smoothed using the `minkows