Recommended filament for this print

Product references matched to the published material guidance. Confirm diameter, heat resistance, colour, and printer compatibility.

Referenced item	What to verify	Price & availability
PETG filamentAmazon · Affiliate link	Amazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region.	Check price at Amazon
ASA filamentAmazon · Affiliate link	Amazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability.	Check price at Amazon

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Interior

Ford Sierra Mk2 Rear Speaker 4' Adapter

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License & use

CC BY

Commercial use allowed

Attribution required

The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.

Shared by

Pablo López Rauhut (Velstyde)

Description

The Ford Sierra has non standard rear speaker mounting holes, so I made a little bracket to be able to properly mount an aftermarket speaker, in this case, an Alpine SPG-10C2. I have attached the Solidworks file as well should anyone need to change measurements! Printing: The model is pretty straight forward to print, there is a face that is entirely flat. Works with any infill over 20%. In my case, I used cubic 20% in Cura. It took about 2h on my not so fast printer for each part. Note: It is best to print a normal version and a mirrored one, although it works either way! Hope this is useful!