AC WORKS 1.5 ft. 14-30P 30 Amp 4-Prong Dryer Plug to 30 Amp RV 10/3 Extension Cord Adapter RV1430TT-018 - The Home Depot
EVSE adapter to plug into pre-1996 Dryer outlets - Adapter #16 30amp 1 – BSA Electronics
AC WORKS 1ft NEMA 10-30P to NEMA 6-20R with Breaker 20-Amp 3-wire Grounding Single To Single Orange Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
I made my own dryer outlet to NEMA 6-20R connector : r/BMWi3
AC WORKS® 3-Prong 30 Amp Dryer Plug to (2) 15/20 125 Volt Household Connections – AC Connectors
AC WORKS NEMA 10-30P to NEMA 14-30R 30-Amp 3-wire To 4-wire Grounding Single To Single Orange Basic Elbow Adapter in the Adapters & Splitters department at Lowes.com
AC WORKS 1.5 ft. 3-Prong 30 Amp Dryer Outlet to 14-50R EV/ RV 50 Amp 125-Volt/250-Volt Connector RV10301450-018 - The Home Depot
Dryer Adapter Cord NEMA 10-30P Male to 14-30R Female | 30A 250V, 1.5FT – Journeyman-Pro
Dryer Extension Cord 10-30P to 6-50R 30 Amp Dryer Male Plug to 50 Amp Welder | eBay
AC WORKS 1.5 ft. 10-30P to TT-30R 30 Amp Old Dryer Plug to 30 Amp RV Adapter RV1030TT-018 - The Home Depot | Extension cord accessories, Dryer plug, Adapter