UPDATED: added a solder guide, compatible with the original design
Parametric design in Fusion 360. User parameters can be altered for your chosen spool size.
Asymmetric design provides enhanced stability.
I've sized mine for a 500g spool of Nihon Superior SN100C (030).
There are many similar models on the web. This prints flat for added reliability on FDM machines.
Fusion 360 link to download other file types and edit: https://a360.co/3f1xgkP
No supports.
Print flat on the bed.
The author marked this model as their own original creation.