Modelled this phone holder and desk organiser for engineering. Has dedicated space for:

•  M3-6 bolts socket and button head
• Hex and Square nuts
• 2x USB
• 3x SD Card
• Calipers
• The Classic Thickness Swatch https://www.thingiverse.com/thing:3938054
• Of course your phone, with charging gap

Great for having all the small things to measure when designing on your desk. Prints with minimal supports as shown in the picture.