Extension for seed starter set

Since my chili plants are currently thriving and ready for pricking out, I wanted to continue using my existing trays—especially the humidity dome with the integrated LED. To achieve this, I designed a custom insert that provides significantly more soil volume than standard small starter trays.To offer more flexibility, I have included three different versions:Quartered Insert: Features four separate compartmentsSplit Insert: Divided into two larger sectionsSingle Cavity Insert: A single large chamber without any dividersThe insert is designed to fit the trays I purchased online, and the transparent dome can still be used as shown in the images. I intentionally opted out of recreating the "snap-fit" mechanism for the dome, as this would have required support structures across the entire height of the print.As expected, the model does require supports during printing. Please note that the insert does not provide a hermetic seal; it simply sits within the lower green tray, which