Printed PLA .2 layer no supports and all parts should be positioned to print.
Make sure you print 2 side rails and 2 rod pins.
My printers tolerances are pretty tight but I did have to hit one of the side rails with sandpaper very slightly to get it to seat all the way in.
The author remixed this model.
Turned the solder spool holder sideways, made it big enough to hold a 1lb spool or 2 small spools, added a solder guide, added more tip organization with 2 spots for tip enclosure (sleeves), tightened the tolerances around the solder station base. Hollowed out below the solder spool for added storage.