Flow

Peristaltic pump:

how it should be designed(with flow openings turning inwards):

https://www.tomtop.com/p-e8003.html?currency=NOK&Warehouse=CN&aid=gplanocd&mid=10000018478&utm_source=SEM&utm_medium=Google+PLA&utm_campaign=TT_PLA_CD&utm_content=3707&gclid=CjwKCAjw5_DsBRBPEiwAIEDRWwcyh-47SmGhLVhiWXq1pUn9YBbnNYvn0Bv5KowKXt0ehmXi0etLfRoCuXkQAvD_BwE

Design gear with a carrier like this:

https://www.banggood.com/no/G728-2-Dual-Head-Micro-Peristaltic-Pump-Fully-Automastic-Water-Pumps-Self-priming-Pump-Metering-Circulation-Pumps-p-1553711.html?gmcCountry=NO&currency=NOK&createTmp=1&utm_source=googleshopping&utm_medium=cpc_bgs&utm_content=xibei&utm_campaign=xibei-pla-no-no-tools-pc&gclid=CjwKCAjw5_DsBRBPEiwAIEDRW-Ct6x1IIammh8CsaXFkhuObmoFg38MYF7rtlQAD-yvstoUWzN3JGBoCl8kQAvD_BwE&ID=514180&cur_warehouse=CN

Hose should come preinstalled with proper nipples(with bend?):

https://www.aliexpress.com/item/32903817611.html

https://www.pumpsandsystems.com/advantages-peristaltic-pumps-metering-applications

Or something like this if space in that direction is critical:

Designe egen nipple som dette med to bøyer på ene siden for å passe til pumpe.

Parametric design of pump in OPENscad

Update: Changed the code so that the diameter you choose is the actual diameter you end up with. Also sqewed the exitholes inwards, and designed it to be smaller. Will test performance

Klarer kanskje få den ned på 10cm?:

Design of flow path:

Annet prinsipp for peristaltic

https://atecentral.net/r20373/rotary_vane_pump_animation