Thanks to @Doug_2669.
https://www.printables.com/model/539878-qidi-x-plus3-x-max3-side-spool-holder-mounts/files
Thanks to @Franck_522956.
Qidi X Plus 3 support PTFE for spool holder at right.
https://www.printables.com/model/678768-qidi-x-plus-3-support-ptfe-for-spool-holder-at-rig/files
Thanks to @TheKre8Group.
https://www.thingiverse.com/thing:32204
Thanks to @MihaiDesigns.
https://thangs.com/designer/MihaiDesigns/3d-model/10 kg spool holder-833111
Thanks to @SpragClutch
https://www.printables.com/model/568544-x-max-3-dry-box-side-holder
Thanks to @Daniel Adam.
https://drive.google.com/file/d/19V9cPG1G1z0X_3sEvBCHhLhrilMIvYdP/view?usp=drive_link