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Promaster heavy duty sliding door handle — image 1
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Promaster heavy duty sliding door handle

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Larger replacement inside door handle for RAM Promaster vans

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Category
Automotive
License
Creative Commons — Attribution

After a replacement door handle from Amazon broke at the mounting point and then broke again after repair with epoxy and fiIberglass, I over-engineered this door handle to last.  If considerng other designs, take a close look at the thickness near the diamond-shaped mounting point and where the handle meets that area. There are a lot of stress concentrations, and uyou will see the same issue on the ones on Amazon (the one with the chamfered square finger hole)

The original OnShape CAD file is here (Onshape is free and the design is public):   https://cad.onshape.com/documents/42f06ed2ec96054e2d65e92f/w/e3af4b96464415642a97f2d1/e/49a2fe74ff6b85b8b56db0G3a
It is fully parametric modeled.  Mess with sketch1 layer to change it.  This version uses a steel bushing and washer around the screw, to guard against overtighening, and the hole for the screw is slightly oversized to fit that.  

I suggest printing it with 100% fill, or manually hollowing out the upper part of the handle if you want to save filament.  I used PETG.  You will need to rotate the model 90 degrees for printing so the one side sits flat

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