Jigsaw would be my first choice as you have more control. I have added compartment doors, made some bigger and always used the jigsaw. If we replace a floating rear wall, we will use the roto zip for the window cutout, but we have the window frame to use as a template.
The factory will use a roto zip but again the opening is framed so there is an edge to keep the saw from wandering.
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2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.
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