The videos show an acrylic diffuser panel that can be screwed over top. Are these available for purchase or is the only option to by the smoke acrylic and cut to size?
they come standard with the Pixelcades for specific cabinets (Rec Room, TAG, Game Room Solutions, etc.). For custom cabs, it's included also in the custom design. If going the DIY route and just getting a Pixelcade kit, it's not included as it needs to be custom cut per the target cabinet dimensions. It's grey tinted, translucent plex, 3mm that you can get at places like Tap Plastics for example.
Thanks! Does the DIY full mount for the P6 come with pre-dilled holes to affix the diffuser? If so, what screws are used?
yes it does, M3 x 8 (mm) screws and M3 x 16 hex stands, those are included though in the kit