Monday, May 18, 2026

Pushing My Buttons

In a previous post I mentioned that my Boss RRV-10 was missing some button caps, and I had obtained an RCL-10 to use for, amongst other things, a template to reproduce the missing caps.

The two on the front were missing, as was the one on the back.

Well with a little bit of cussing and cursing I managed to cook up a model in FreeCAD for the buttons, and printed them out on my 3D printer.

I even got the little ridges on the top of the smaller button, though the clear filament makes them a bit hard to see unless you're looking at it in profile.

For scale, this smaller button is about 1cm by 1cm. Ok, it's exactly 1cm by 1cm.

Now unfortunately 3D printers are good at rapid prototyping, not rapid getting it right the first time, and I had some tolerance and fit issues with the first attempt.

The larger buttons at the front were bulging out around the shaft, and the smaller one at the rear wouldn't even go on. On top of all this, the larger buttons were a bit flimsy on the sides due to the thin walls.

Thankfully this was an easy fix, and printing out a new set of buttons didn't take long.

And this time they fit flawlessly, and pushed in and out just like they should.

Both on the front, as you can see, and on the back.

The only shortcoming really is that the colours are very much not correct, but it doesn't bother me particularly much so I'll probably just leave it as is. I really don't want to have to buy two cans of spray paint just to almost-but-not-really match the original colours.

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