This key holder has 8 hooks for hanging the keys, If the required key is at back, simply rotate the spool to bring it to front. It is as simple as that.

This model is parametric, you can update the variables to adapt the model to other brand spools or change the key hooks count. Free account and basic cad knowledge is enough. 

You can remix this model for other spools. Just upload it as remix.

https://cad.onshape.com/documents/afad78265fb8dd938b2a10a6/w/a30aa5ea28f826c065225293/e/6187135199906d4a1907262d

Printing

Only 2 parts to print.  Parts are in correct orientation to print.

Key Holder - Requires supports, 3 or more walls recommended, releasing agent is recommended for print bed (Eg. Glue Stick).

Spool Holder - No supports, 20% Infill

Installation Tips

Use Super Glue to mount the 'Key Holder' part to the spool. Make sure that it is not off-center. Use tape as a temporary way to test it. Finalize the position with super glue.

Press fit the spool into the 'Key Holder' part, if you feel that difficult, disassemble the spool and insert the 'Key Holder' part and then reassemble.

Mounting the key holder to wall is as simple as hanging a wall clock, there are many tutorials online depending on the surface you are installing it in.