Baratza Sette 270 single dose hopper for bellow

This is a single-dose blow hopper for Baratza Sette 270. The bellow is from Aliexpress, originally it is for Eureka Mignon https://www.aliexpress.com/item/1005004714390598.html

you can buy any other bellow, and tune the size on Sketch4 in the model (fusion360 file attached), mine is 69mm diameter.

between doser and Baratza you can place a couple of felt rings for better work of the bellow

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in my opinion it is better with tree supports
used brim build plate adhesion type just to be sure, never tried without it

Took the bottom with inserts size from the original model, but made the inserts a little narrower and made a bigger fillet on the inserts. Now it fits perfectly.