How to make a simple sandblaster

I tried to make a sandblaster with an air duster and a compact compressor.

Jig plan convenient for woodworking
[Plan List]
https://jsk-koubou.stores.jp/

【Tool】
・compact compressor
https://haige.page.link/JSK_hg-dc1090btn
・Air duster
https://amzn.to/2v38pfG
・putty
https://amzn.to/3bZpwjk
・Homemade drilling machine
https://youtu.be/n-neSE8mwDg
・grinder
https://amzn.to/2V5yeGF

Sandblasting was successful, but found some issues.

【problem】
Insufficient compressor output for continuous operation.
Worn air duster nozzles.
Recovery of alumina is difficult because there is no alumina recovery cabinet.