I have uploaded a 3.0 and final 4.0 versions.
Major differences: No more support (if you want some in the top rim it wont hurt anything)
3.0 solid walled
4.0 open slot
both versions use the 3.0 bottom disk.
new update reduces print times and material by almost half!!
A year and a half ago, I had a bad workplace accident and have spent months various times on crutches.
Everytime I have to use crutches the most tricky part is carrying a coffee or can of soda.. its usually left behind or in the mouth causing spills etc.
This is my answer! Last time i was on crutches i did not have a 3d printer, well no more!! I plan on using this after my next surgery in a few months!!!
BE WARNED THINGS CAN SPILL, DO NOT BURN YOURSELF!!!