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here is a link https://www.wikihow-fun.com/Make-a-Pringles-Can-Macro-Diffuser to get you started , i used a differend angle my self at the end and used the dome from my https://www.bhphotovideo.com/c/product/1433988-REG/godox_ak_r1_accessory_kit_for.html that i bought for my other flash head .

thanks for the links I will for sure check them out