Circ-O-L8!

Essentially my need was to easily glue, with vinyl glue, a new foam suspension to the paper cones of a pair of 8" woofers, used on the excellent ESB CS-30 Italian loudspeakers from 1979.

The question arose spontaneously: how to keep the suspension in the right position and at the right pressure until the complete gluing took place?

Quick and clean! The best solution was to design the:

Circ-O-l8! (Circolotto for friends)

Circ-O-l8 is a frame, made up of two arms and a 15cm diameter ring, tapered at 30° on the side where it rests on the suspension which must be glued to the edge of the speaker cone.

In the center of the two arms there are two joints to be glued together making sure that they completely fit together to form a "flat" cross on their upper part (the smaller one).
Once the arms have been glued together, you need to glue the remaining four feet into the ring joints.

To glue the arms and the ring:
if you have printed them in ABS, just put a drop of acetone o