Needed a square to round adapter for a paint booth blower fan, printed in PLA. Then I printed a TPU gasket that would squish and bend around the 90 deg corner so
Custom Dynamics LED Passing Lamp Adapters for Harley - CDTB-PLA - Get Lowered Cycles
ZYXEL PLA-407 Pass-Thru Ethernet Powerline Adapter 200 Mbps Lot of 2 & Cables | eBay
LED Passing Lamp Adapters
PLA to TL866 adapter - Share Project - PCBWay
Fluke Part DSX-PLA-8-TERA-S - DSX-8000 TERA Permanent Link Adapter Set - Telecom Rentals
POWER SUPPLY ADAPTER AC Audiovox D1020 Portable DVD pla 603827779502 | eBay
ZYXEL PLA-407 Pass-Thru Ethernet Powerline Adapter 200 Mbps Lot of 2 & Cables | eBay
HQRP AC Adapter for Morley STEVE VAI BAD HORSIE WAH (Model VAI-1), STEVE VAI LITTLE ALLIGATOR VOLUME (Model PLA) Power Supply Cord + Euro Plug Adapter - Walmart.com