I needed a handy platform pedal to clip on my Speedplay pedals. I wanted a small pair of platforms I could use for a short ride and then stove them into my pockets.
The whole design process went through several different models.
I have printed the prototypes with PLA but opted for PETG and ASA for the final pair. ASA needs a bit wider tolerance settings (or maybe you could print the default model at 105%). I added some grip tape for a secure pedal stroke.
This platform is one-sided only. Here's another model that works as well:
https://www.printables.com/model/278619-platform-for-speedplay-pedals
Update may 2023:
After 6 months testing, the model has been refined. Check out this model:
https://www.printables.com/model/490896-speedplay-pedals-platform-3
The author marked this model as their own original creation.