If you are storing your filament spools in vacuum bags you may find this useful.

This is a simple holder that places the bag at the correct position (mid height of the spool's width) and holds the pump vertical and secure while operating. This frees you to attend other things while vacuuming.

The stand is designed for this specific pump: https://he.aliexpress.com/item/1005004194954257.html?gatewayAdapt=glo2isr

Edited: Added STEP file