IKEA Malm Double Bed with lonset slats built by PP Flatpack Youtuber - YouTube
Drove 3 hours to a different state to go to IKEA. Finally bought the MALM bed frame and didn't know we needed wooden slats. Our old bed thing ended up fitting perfectly!
MALM Bed frame, high, black-brown/Lönset, Twin - IKEA
SLÄKT Bed frame with slatted bed base, white, Twin - IKEA