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3D printing the gimbal bit and the camera mount, the handle is a £2.50 selfie stick and the camera is an Olympus Tough Trek (or something suitably rugged sounding)
good work 🙂
Need to add a flywheel to stabilise it a bit...
You might want to consider something more like this. The counterweight below the ball pivot really does help damp pitch, yaw and roll.

Do you have the footage from the camera? It still looked to be swaying around a good bit.
I did have one with the weight below but it was quite bulky. I wanted something easy to carry around.
Here is the Mk 1
I will post some film from the camera on here shortly. Unfortunately I am on crutches so it is awkward to walk about filming. I will try some out of the window of the car perhaps.
Update later today
Quick lunchtime road test
For my next project I am going to try and make a slider...
............wish me luck
Should you be using a mobile phone while driving? #pitchforks
Wasn't a phone it was a camera.
Also all filming was done on closed roads of course.