[Ailae]

Couldn't you create a function that creates the frame and then call on that function every time you create such a frame?

-- Creates an ordinary frame, just more awesome
function CreateAwesomeFrame(name)
    local f = CreateFrame("Frame", name, UIParent)
    f:SetSize(128, 128) -- this is the really awesome bit
    f:SetBackdrop({
        bgFile = "Interface\\ChatFrame\\ChatFrameBackground",
        insets = {top = 0, left = 0, bottom = 0, right = 0},
    })
    f:SetBackdropColor(1, 1, 1, 0)
    f:SetPoint("CENTER")
    
    return f
end
 
local AwesomeFrame = CreateAwesomeFrame()