Applied Math! Sine waves along the perimeter and up the side, plus a bit of a twist to make a Vase Mode Printable Lamp Shade!
Get some translucent filament and print with ~3mm of base Then vase mode up. The bottom is vented so to not trap excessive dust/dead bugs 🤮
I printed in PETG and only use with LED Bulbs. I suspect old-school incandescent bulbs, especially high wattage, might cause some heat-related problems.
The author marked this model as their own original creation.