Pretty Basic Pollen Press

This is my first design and it's a very basic "pollen press".
There are three pieces:
1 Cap
1 Chamber
1 Pusher

Assemble by placing the cap on either end of the tube/chamber piece and then load her up with LOTS of pollen. Then use the pusher to condense into a puck. The first time I tried compressing by using both my hands coupled together and squeezed as hard as a could. The results weren't very satisfying as the puck was brittle. I was able to achieve a higher level of success by sta