Homage Tektronix Circuit Computer: Eyelet Pivot

Although a sex bolt works as a central pivot, even the shortest one available in a cheap assortment is too long for three paper decks and an acrylic cursor:

Tek CC - radial text example
Tek CC – radial text example

An eyelet / grommet intended for leather crafting works better:

Tek CC - eyelet pivot - front
Tek CC – eyelet pivot – front

That’s the front side, with the stylin’ rounded head, in “gunmetal” gray. The shank is 5 mm ID (the advertised size), 5.5 mm (-ish) OD, 4 mm long beyond the 10 mm OD head. All dimensions vary unpredictably between sellers, so expect nothing in particular and you won’t be disappointed.

The back side gets the washer:

Tek CC - eyelet pivot - rear
Tek CC – eyelet pivot – rear

The entire stack is 1.7 mm tall: three 0.4 mm laminated decks and the 0.5 mm polypropylene cursor. The 4 mm shank length seems excessive, but works out well in practice, even if I need more practice at smoothly swaging shank over washer. It’s sufficiently good looking in person.

Note: the washer goes on convex side outward!

The set includes a hole punch suitable for leather work and slightly too small for paper, plus the swaging punch and die required for the washer.

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  1. Eyelet Punch Reshaping | The Smell of Molten Projects in the Morning
  2. Homage Tek CC Cursor: Pivot Milling | The Smell of Molten Projects in the Morning

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