Not all horn is suitable for making a shoehorn. A piece of horn is selected in its natural form and checked that it conforms to the dimension requirements of the shoehorn being made (as we make them in different sizes). As shoehorns need to be robust, we’re looking for horns that a...
A couple of days ago, I briefly covered themythical specification“non-accumulative tolerance” (or “non-cumulative”) as it is often applied to direct dimensions on feature patterns. See the example in Figure 1 where the dimensional callout attempts to simply dimension a pattern without consider...