The file 'FJ40 Custom Dash Knobs 3D Printer Model' is (STEP,STL) file type, size is 3.8MB.
Overview:
These are modeled after the early style knobs. Some knobs are at half-height as I am planning on putting them under the dash and wanted them to be lower profile.
Process for those who want to make custom knows:
Download the blank STEP file and cut in your own icon,
You can find good icons to use via Noun Project: Free Icons & Stock Photos for Everything - https://thenounproject.com/.
Either import directly or use it as a guide for your own line art.
I normally try and make the line width 0.75mm wide and 0.50mm deep.
Notes:
Tap the base hole as M5 and the set screw hole as M4.
I use this for the set screw McMaster-Carr - https://www.mcmaster.com/93038A126/
Post Process and Paint Fill Process:
After Tapping the Knobs. I use a spare M5 Screw in a drill to chuck the knob.
I then use Novus 7136 Plastic Polish Kit starting at 3 up to 1 to get the surface a bit shinier.
For the colored paint Fill, I use Enamel paint meant for miniature model painting. I like Humbrol but Testors work great as well.
For White is use a Presto! Multipurpose Correction Pen
If possible use an Ink Syringe with the enamel to fill otherwise I just use a paintbrush or needle to get it filled.
I try and dab most of the paint off. This leaves it pretty messy.
After the paint semi sets up. I take some Goof Off paint remover and wipe the surface clean with a microfiber towel.
I repeat the paint application/wipe removal as needed till I'm happy with the fill.
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