Calendar showing month and day. Biggest knob in end turns days (0-10), middle knob turns tens (0-3) and smallest months (Jan to Dec)
Two colour text is made flat, to minimize waste. They inserts to the disks with dowtail- style form. If loose, add a dot of superglue when asemmbling the disks.
Assembly: put the short axel through the endpiece and fix the numberdisk with 2 small skrews (3mmx16) from oyher side.
Second axel and disk as first, axel through the first axel.
Add the small “brakepads” to the middle disk in the housing, this prevents that middle disk spinnin when turning first.
Add longest axel and last disk to the other assembly, and put housing cover on. Add the last endpiece and fix housing endpieses to housing with small screws (3mmx16). Last add a M5 small bolt (up to 40mm long) to lock the axel in othe end.