Front bumper design for the NA Miata

Kinja'd!!! "Nick Has an Exocet" (nickallain)
06/21/2019 at 20:40 • Filed to: Miata, fiberlgass, DIY

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I’ve been working on a redesigned front bumper for the Miata. My poor NA6 front bumper got drilled by the dealership back in the day and over time (211k miles), the bumper has taken a real beating. The car won’t really daily anymore after I restore it, so I’m feeling like I may do a custom fiberlgass front bumper cover / splitter. It’s coming along nicely despite the fact that I have basically no idea what I’m doing in Fusion 360.

It’s an ND inspired front bumper. The idea is to paint the car in 30th anniversary edition orange/black. I’m thinking about adding some NB style fog lights, but we’ll see.

I’ve also never worked with fiberglass. The current plan is to slice it (sans splitter) into thin sections, CNC them out of something cheap, then reassemble, fill the air gaps with foam, cover in bondo or sculpting clay, and finish the model. Then make a mold, and then make a final bumper. Anyone with experience want to tell me if this is the best process?

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DISCUSSION (6)


Kinja'd!!! AestheticsInMotion > Nick Has an Exocet
06/21/2019 at 20:57

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Seems a bit... Off to me. I like a lot of the aftermarket rear bumpers—garage vary, shorty bumper, etc—but I’ve yet to see a non-stock front bumper that doesn’t seem.... Strange.

You could go full-crazy

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Kinja'd!!! RiceRocketeer Extraordinaire > AestheticsInMotion
06/21/2019 at 21:03

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full crazy is the best crazy


Kinja'd!!! Cash Rewards > AestheticsInMotion
06/21/2019 at 21:20

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I hate that less than I ought to


Kinja'd!!! Nick Has an Exocet > AestheticsInMotion
06/21/2019 at 21:45

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Yeah, it needs some finesse to the left and right as well as filleting on the mouth. It’s also rendered without a grill, so there’s that!


Kinja'd!!! Demon-Xanth knows how to operate a street. > Nick Has an Exocet
06/21/2019 at 23:05

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If you make busks out of plywood, cut them two layers at a time so each side ends up the same.


Kinja'd!!! Nick Has an Exocet > Demon-Xanth knows how to operate a street.
06/22/2019 at 00:23

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Awesome tip. Thanks!