DANBY AIR CONDITIONER AC 7 to 6 inch reducer

DANBY Air conditioner AC 7 Inch adapter/reducer to 5.9Inch (15cm) originally drawn for model DPA120B8WDB-6. 

Short and long Versions (I prefer the short one). 

Reducer to 5.9Inch (15cm) drawn because 7 inch ducts seem harder to find on Amazon or other websites. Here are some links to compatible ducts: 

https://amzn.to/4kCHrPQ

https://www.amazon.ca/dp/B0D9CJTNY4?pd_rd_i=B0D9CJTNY4&pd_rd_w=JJHuG&content-id=amzn1.sym.99226bee-397f-4807-9350-d703b292dd4f&pf_rd_p=99226bee-397f-4807-9350-d703b292dd4f&pf_rd_r=W366N1Q71GAMCETX8JPV&pd_rd_wg=vt2HR&pd_rd_r=6332f993-b3c3-4e82-b67a-e0a7b4de42b2&s=kitchen&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWwy&th=1&linkCode=ll1&tag=josephlecomte-20&linkId=367f849b78e8789e03492194b65a8ff9&language=en_CA&ref_=as_li_ss_tl

Solidworks drawing, STL and 3MF files attached.