Recently, my Steam Controller's left bumper stopped working. Upon dissasembling it, I discovered a piece of plastic had snapped off of the trigger assembly:
Helpfully, other have modeled the part, and made it avaiable to use for 3D printing. Unfortunately, I don't have a 3D printer, and even if I did, the part requires an uncommon type of plastic filament (polycarbonate) in order to be durable enough to act as a sping. If you do have these things, you can stop reading here, and print that part.
I considered using a 3D printing serivce to have the part fabricated, but all tose services have minimum order prices that are nearly as much as buying a whole other for-parts Steam Controller. Then I realized the spring doesn't need to be plastic; most springs are made of metal after all. However I couldn't find any appropriate flat springs a