Bedroller Filament Storage

I live in a small apartment, and needed a way to store my dried filament so i can easily switch colours/materials. My solution involves a 61L bedroller from Harald Nyborg. This bedroller can store 12 1KG spools. This bedroller fits just perfectly under my living room sofa. To prepare the bedroller for storing filament it needs to be more airtight. This requires installing a seal between the base and the lid. I used 3 meters of D-profile 8x6mm. Install this where the lid and base makes contact all the way around. Now after you install this seal, the bedroller lid will bulge in the middle because there are only clamps at the ends. To combat this i designed clamps for the corners, and pins for the middle. The corner clamps are easily just printed and clamp right on the lid. The middle pins need a slot to go trough (min. 10mm wide, and 3mm thick) You can make this any way you want. The first one i drilled two small 5mm holes and cut the middle part out with a knife.But i found it much easi