Specs:

• 11 Micro SD card slots
• 1 SD card or adapter slot
• Uses 8 6x2mm or 6x3mm Magnets
• 100 x 70 x 11mm dimensions
• Included STEP file for easy editing
• Some people have been concerned that the magnets have an ill effect on the memory cards, this does occur with things like hard drives but not with the modern flash memory in SD cards

Print Settings:

• Supports: None
• Infil: 15%
• Perimeters: 2
• Brim: Optional

Onshape Document: https://cad.onshape.com/documents/a376eae3c17ee5e9b39bdfd3/w/407510edfec8f4b3820324de/e/1469e1e53d266c9306e11482?renderMode=0&uiState=644b2ada46b9b04d24d2900c

Magnets: https://www.amazon.com/260Pcs-Refrigerator-Magnets-Fridge-Whiteboard/dp/B07XRQ44VC/