Sized to fit two keys. Uses 2mm elastic cording so that the keys can be easily pushed out with the thumb.

I've included a link to my OnShape model below if you'd like to modify the model to fit more than two keys. I highly recommend OnShape as a convenient cloud based CAD tool.

Link to my Onshape model:
https://cad.onshape.com/documents/8dcc54c7d981c373247c19a0/w/452bddfc0e75802fa501a780/e/c02518e4245e515d202ede9c

Cording used:
https://www.amazon.com/dp/B0056EU26M/ref=cm_sw_su_dp

Makerfarm Pegasus 12

Doesn't Matter

No

0.1

25%