This pulley is for project 10-3 in my book - for more information visit www.makingthingsmove.com.  It's way bigger than it needs to be (so it's expensive), but I uploaded the original file I used.  Feel free to download the model and make it smaller before you print your own!

Shaft adapter for Not Lazy Susan project 10-1 in my book - see www.makingthingsmove.com for details!