Everything fits into the mirror box
and the base fits on top

The secondary ring is 1/2 in thick by 1.2
inches wide.  Spider holders and focuser
board is glued and screwed to it.

The focuser is a Crayfort type.  Works pretty well for a first attempt.  The second version is more elegant!
Concrete anchors glued into mirror
box and trusstube end.
Secondary ring trusstube slots.  Note
hole for thumbscrew (t-nut behind) and
two 6-32 screws holding spider.
Truss tube retainer and thumbscrew.
 

Bracket and thumbscrew holding the
Telrad...also restrains the trusstubes.

Elevation ring.  Cut with a router.  Two 
layers of ply glued together. Center thing
is mount for Sky Commander encoder.

Mirror Cell.  Scrap aluminum, 1.4-20 
bolts and springs. Mirror glued to base
plate.  Needs a fan!