how to cut opening for thetford casette toilet hatch in safe way

#vanconversion, #diycampervan How to cut opening in van for thetford toilet door instalation. Close to wheel arch in Continental layout of campervan. In case you want to fit door closer to van trims then manual describe. DIY vanconversion chapters 00:00 title 00:11 workbench test 03:09 marking position of casette toilet C403 inside campervan 04:15 measurement on campervan body panels 06:13 simplifying TIP ! opening for thetford door can be square ! 08:20 first big holes and cutting 10:46 final test if casette of thetford 403L moving out freely