Full Handmade Exhaust System for the Micro V4 Engine!
Oct 29, 2026
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-Toyan FS V400A Engine
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If you're looking to make your own custom parts
but don't have manufacturing equipment,
try eMachineShop.
They offer CNC machining, injection molding, 3D printing, and more.
They can quote your CAD file, or you can try their free CAD software.
eMachineShop CAD lets you design from scratch,
and they also offer design templates.
They have templates for all sorts of different parts,
but we're going to try the spur gear
one.
Let's see what parameters to change.
We'll change the number of teeth and leave thickness alone.
Click OK, and just like that, we have a spur gear.
We can take a better look in the 3D view.
And when you're ready to order, you just change
the material to what you're looking for.
If you need a finish, you identify that.
Set your tolerance specifications and quantity,
and click Price to Order.
Give eMachineShop CAD a try. It's powerful, free, and easy to learn.
You can download it at emachineshop.com slash q90
or just follow the link in the description.