Cone Thread Holder for Brother Sewing Machine

Replacement Cone Thread Holder for Brother Sewing Machine
I created this for my mom as her original was old, brittle and cracking.

There are 2 parts to this:
1. The 'plate' on which the thread cone sits
2. The 'spindle' that is inserted into the thread cone to stabilize it on the rod.

There are 2 versions of the spindle
a. With slots - this is a replica of the original part, but can be brittle when 3D printed
b. Without slots - a much stronger part when 3D printed

These printed ver