This is the base plate for MX Ergo, can be used as a replacement for the original metal one.

I made it to design a trackball based on the same plate.

Compatible with other stands.

• 4 x 10mm x 1.5mm magnets
• Superglue
• 4 x Rubber feet

Print without supports, 0.2 layer height, any material.

Based on https://www.thingiverse.com/thing:2640807/files