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rio

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Took some time to build out my own version of the mount. I wanted to fix a few things that bugged me.
  1. The angle on the driver side of the mount bugged me. I wanted the lip to be parallel to the trim from back to front. This version has straight sides.
  2. Because of this, the cupholder is not Nalgene or 40oz water bottle sized. I sized it to use a readily available 9cm (3.54") liner. Fits standard 20 oz Yeti style tumblers with room to spare.
  3. Also added a small spill ring around the shifter knob. It won't do much, but it could block a minor spill from falling down in between the mount and the shifter. I don't expect this to do much, but I wanted the smallest amount of piece of mind.
Printed in PETG-GF for the matte finish and its ability to hide layer lines. I ordered to much filament thinking I was going to need to do more prototyping, so I'd be willing to make more for anyone interested.

PXL_20250906_204858561.webp
PXL_20250906_205102736.webp
Looks sharp! I'm also thinking of ways to seal the small gap around the shifter knob. Would it be crazy to consider a small bead of caulk / sealant?
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PolymerBuilt

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Looks sharp! I'm also thinking of ways to seal the small gap around the shifter knob. Would it be crazy to consider a small bead of caulk / sealant?
Not crazy crazy it might work OK. I thought about an o-ring groove, but I'm not sure there's enough wall there for me to cut out. Might look into it more.
 

PolymerBuilt

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Now I need to go out and see how mine isn't parallel lol...

Looks great, I might be interested on one.
LOL. I don't consider myself OCD, but it was bugging me.

Let me know if you do have some interest. I started an Etsy shop under the same name just in case anyone needed one. Have enough filament on hand to make at least 3 more now that I've dialed it in. I'll keep making more if there's demand.
 

PolymerBuilt

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fvineyard

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Yup, that's it, thanks for posting the link. I didn't want to come across as spam. I have some extra liners so those will be included in any I sell. I don't have a print farm and the PETG-GF is a little more expensive than some other materials so the price is a little higher than Manion's original modular design.
I like the design and look of it. So, I ordered one from your Etsy listing.

Just curious, what 3D printer do you have? My Prusa MK4's build volume is not large enough to accommodate one of these models. Less expensive to buy one than to upgrade my printer as much as I want to...
 

PolymerBuilt

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I like the design and look of it. So, I ordered one from your Etsy listing.

Just curious, what 3D printer do you have? My Prusa MK4's build volume is not large enough to accommodate one of these models. Less expensive to buy one than to upgrade my printer as much as I want to...
Thanks, appreciate it!

I'm using an Elegoo Centauri Carbon - the build volume isn't big enough to print flat, but I can print it at a 45 degree angle. I made some features on the model so that it would sit flat and the support would have some good anchor points.

Ford F-150 Lightning Stick to Rotary Shift Knob Conversion w/ 3D Printed Rotary Shifter Holder Screenshot 2025-09-10 210845
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