When fitted with the internal spool and side panel hinge kit the front edges of the panel often do not stay well seated. This requires the use of screws or this model printed in a very stiff material. The holes on either end are slightly too close together giving this strip a spring-like action when the center screw is tightened. Also serves as a grip for opening the panel.

Here are the other kits this is designed to work with:

[https://makerworld.com/en/models/1438555-centauri-carbon-internal-1kg-spool-mount-kit](https://makerworld.com/en/models/1438555-centauri-carbon-internal-1kg-spool-mount-kit)

[https://makerworld.com/en/models/1484684-elegoo-centauri-carbon-side-panel-hinge-kit](https://makerworld.com/en/models/1484684-elegoo-centauri-carbon-side-panel-hinge-kit)