Arrested Development - Stair Car

I have 2 different ideas for my pin for this class - one with an Arrested Development theme and one with a pour over coffee theme.

While I decide, here are my reference pins and Apple Metal pins:

After a bit more browsing, it seems as though my coffee ideas already exist as enamel pins by Mayven USA:

So i'm opting to go with the Arrested Development theme.

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And here is my rough sketch of the Bluth Stair Car:

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Here is the line work showing both the paths and the outline views:

And the final colour version with some shading.

And a mockup of what it would look like as a pin: