Eiki projectors don’t include corner correction in their menu options.

a frew of them will be compatible with either one of thier 5 softwares.

Also available here: https://www.eiki.com/warp-and-blending-software/

http://mybrainwillexplode.com/abandonware/wp-content/uploads/2019/06/EK-620U-Warp-and-blending-software.zip

http://mybrainwillexplode.com/abandonware/wp-content/uploads/2019/06/advanced-screen-manager-software-v1-02.zip

http://mybrainwillexplode.com/abandonware/wp-content/uploads/2019/06/EK-510-series-Edge-Blending-Software-Ver1.1.zip

http://mybrainwillexplode.com/abandonware/wp-content/uploads/2019/06/EK-350U-Edge-Blending-Adjustment-Ver1-3.zip

http://mybrainwillexplode.com/abandonware/wp-content/uploads/2019/06/EK-815U-EK-820U-Warp-And-Blending-Software.zip